Form P5815
Edition 15
December 2008
CCN: 03523545
Save These Instructions
MULTI–VANE® Air Motors
4800 Series Non-Reversible
4840 Series Reversible
Operation and Maintenance
Information
Operation and Maintenance Information
EN
操作和维护信息
ZH
2 03523545_ed15
EN
WARNING
General Product Safety Information
Read and understand this manual before operating this product.
It is your responsibility to make this safety information available to others that will operate this product.
Failure to observe the following warnings could result in injury.
WARNING
Always operate, inspect and maintain this motor in accordance with American National Standards Institute Safety Code for
Portable Air Tools (ANSI B186.1).
For safety, top performance and maximum durability of parts, operate this motor at 90 psig (6.2 bar/620 kPa) air pressure at the inlet with
3/4” (19 mm) air supply hose.
Always turn o the air supply and disconnect the air supply hose before installing, removing or adjusting any accessory on this motor or
before performing any maintenance on this motor.
Do not use damaged, frayed or deteriorated air hoses and ttings.
Keep hands, loose clothing and long hair away from rotating end of motor.
Always wear eye protection when operating or performing maintenance on this motor.
Always wear hearing protection when operating this motor.
Anticipate and be alert for sudden changes in motion during start up and operation of any motor.
Motor shaft may continue to rotate briey after throttle is released.
Do not lubricate motor with ammable or volatile liquids such as kerosene, diesel or jet fuel.
Do not remove any labels. Replace any damaged label.
Use accessories recommended by Ingersoll Rand.
This motor is not designed for working in explosive atmospheres.
This motor is not insulated against electric shock.
NOTICE
The use of other than genuine Ingersoll Rand replacement parts may result in safety hazards, decreased Motor performance and increased
maintenance, and may invalidate all warranties.
Ingersoll Rand is not responsible for customer modication of motors for applications on which Ingersoll Rand was not consulted.
Repairs should be made only by authorized, trained personnel. Consult your nearest Ingersoll Rand Authorized Service centre.
It is the responsibility of the employer to place the information in this manual into the hands of the operator.
Safety Symbol Identication
Wear Respiratory
Protection
Wear Eye
Protection
Wear Hearing
Protection
Read Manuals Before
Operating Product
(Dwg. MHP2598)
Safety Information - Explanation of Safety Signal Words
DANGER
Indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury.
WARNING
Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury.
CAUTION
Indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury or
property damage.
NOTICE
Indicates information or a company policy that relates directly or indirectly to the safety of personnel or
protection of property.
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03523545_ed15 3
EN
Placing Tool in Service
Lubrication
Ingersoll Rand No. 50 Ingersoll Rand No. 28
Always use an air line lubricator with this motor.
We recommend the following Filter-Lubricator-Regulator Unit:
No. C28-04-FKG0-28
Where the lubricator cannot be permanently mounted, use
Ingersoll Rand No. 3LUB8 Lubricator.
We recommend the use of an air line lubricator in the air supply
line. Attach the unit as close to the tool as practical. For permanent
installations, we recommend using an Ingersoll Rand
C28-04-FKG0-28 Filter-Lubricator-Regulator Unit. These units have
1/2” pipe tap inlet and outlet. The 3LUB8 has 1/6 pt. (79 ml) capacity;
the C28-04-FKG0-28 has 11 oz (180 ml) capacity. Larger capacity units
may be used, but do not use a unit having less than 1/2” pipe tap
inlet and outlet.
After each 40,000 cycles or one month, whichever occurs rst,
inject 1.5 cc of Ingersoll Rand No. 28 Grease into the Grease
Fitting (60).
Direction of Spindle Rotation
Series 4800 Non-reversible Motors can be assembled so that the
Spindle rotates either clockwise or counter-clockwise. To reverse the
direction of the spindle rotation:
1. Remove the motor assembly from the Motor Housing (10).
2. Remove one End Plate and Bearing assembly from the motor.
3. Lift the Cylinder (19) from the Rotor (17), turn it end for end, and
slide it back over the Rotor.
4. Install the End Plate and Bearing assembly on the Rotor Hub and
install the assembled motor in the Housing.
5. Remove the three Backhead Cap Screws (11) and rotate the
Backhead (2) and Backhead Gasket (3) 120° so that the cavity
in the face of the Backhead is in alignment with the alternate
set of holes in the back face of the Motor Housing. When the
Backhead is correctly applied, the cavity will be over the letter
“F” for counterclockwise spindle rotation (when facing the end
of the Spindle), and over the letter “R” for clockwise rotation. The
rotational direction of an assembled Non-reversible Series 4800
Motor can be determined by removing the Air Strainer (1) and
looking through the tapped opening to see whether the letter
“F” or letter “R” is visible. Apply the Backhead on Series 4840
Reversible Motors so that each inlet port aligns with a group of
three holes through the housing rear wall.
NOTICE
A four-way Throttle Valve (whether manually, remotely, or
automatically controlled) must be used in the air supply
line to Series 4840 reversible motors, as one motor inlet is
expelling secondary exhaust air, and therefore must be open to
atmosphere whenever the opposite inlet is admitting live air to
the motor. The use of any throttle valve that closes or restricts
the secondary exhaust line will result in sucient back pressure
to drastically reduce the speed and power of the motor.
When the application requires a separate Throttle Valve in each
air line, the two three-way valves must be used.
Forward Inlet
Reverse Inlet
Reversible Motor
Exhaust
Exhaust
Air line to
forward inlet
Air line to
reverse inlet
Valve positioned for
forward operation
of Motor
Valve positioned for
reverse operation
of Motor
Valve positioned for
forward operation
of Motor
Valve positioned for reverse
operation of Motor
Valve positioned for
reverse operation
of Motor
Valve positioned for
forward operation
of Motor
Air line to
forward inlet
Air line to
forward inlet
Air line to
reverse inlet
Air line to
reverse inlet
Live Air
Live Air
Live Air
Live Air
Exhaust
Exhaust
Exhaust
Exhaust
Live Air
Live Air
Four-way
Throttle
Valve
Single four-way Valves for controlling forward and reverse operation of Motor
Two three-way Valves for controlling forward and reverse operation of Motor
Relative positions of Valves for
forward operation of Motor
Relative positions of Valves for
reverse operation of Motor
Three-way Throttle
Valve in air line to
reverse inlet
Three-way Throttle
Valve in air line to
forward inlet
(Dwg. TPB176)
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EN
Parts and Maintenance
When the life of the motor has expired, it is recommended that the motor be disassembled, degreased and parts be separated by material so
that they can be recycled.
Manuals can be downloaded from www.irtools.com.
Refer all communications to the nearest Ingersoll Rand Oce or Distributor.
03523545_ed15 5
ZH
通用产品安全信息
操作本产品前请阅读并理解本手册。
您有责任为其他操作该产品的人员提供本安全信息。
不按照以下警告进行操作将可能导致人员受伤。
请始终按照美国国家标准协会便携式气动工具安全标准 (ANSI B186.1) 操作、检查和维护该马达。
为确保使用安全并达到最佳性能和零部件的最长使用寿命，在操作马达时，进口处的气压应为 90psig(6.2巴/620kPa)，
并使用规格为 3/4”（19 毫米）的气源软管。
请务必在安装、拆卸或调节马达零件或进行任何维修之前，关闭气源并断开气源软管。
切勿使用已损坏、磨损或老化的空气软管及其连接件。
保持手、宽松衣服和长发远离马达旋转端。
在操作或维修马达时，务必戴上防护眼镜。
在操作马达时，务必戴上听力保护装置。
在马达启动时和操作过程中，注意马达转速的突变情况。
节流阀释放后，马达轴在短时间内仍会持续旋转。
请勿使用易燃、易爆液体如煤油、柴油或喷气燃料润滑马达。
请勿撕掉任何标签。 请更换任何受损的标签。
请使用 Ingersoll Rand 推荐配件。
该马达的设计不适用于爆炸性气体。
该马达没有防电击绝缘装置。
如果使用非 Ingersoll Rand 原装配件，将可导致安全危害、并会降低马达性能、增加维修次数，还会导致所有保证失效。
用户如未经咨询 Ingersoll Rand 而擅自对马达应用进行改动，Ingersoll Rand 不承担任何责任。
维修须由授权并经过培训的专业人员进行。 请就近垂询 Ingersoll Rand 授权维修中心。
雇主有责任将本手册的信息提供给操作人员。
安全标识识别
配戴呼吸保护装置 配戴防护眼镜 配戴听力保护装置 操作产品前，请阅读手册
（图 MHP2598）
安全信息：安全信号文字说明
表示不采取措施将会导致严重伤害甚至死亡的隐患。
表示不采取措施可能会导致严重伤害甚至死亡的隐患。
表示不采取措施可能会导致轻微或中度伤害或财产损失的隐患。
表示与人身安全或财产保护有直接或间接关联的信息或公司政策。
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6 03523545_ed15
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安装在用工具
润滑油
Ingersoll Rand 50 号 Ingersoll Rand 28 号
请始终对本马达使用空气管路润滑器。
我们推荐使用下列过滤润滑调节器装置：
C28-04-FKG0-28 号
在不能永久安装润滑器的地方，请使用Ingersoll Rand 3LUB8 号
润滑器。
我们推荐在供气管路中使用空气管路润滑器。 将该装置尽可能靠
近工具连接。 需要永久安装时，我们推荐使用
Ingersoll Rand C28-04-FKG0-28 过滤润滑调节器装置。 这些装置
有 1/2” 管活栓进口和出口。 3LUB8 的容量为1/6 品脱 (79 毫升)；
C28-04-FKG0-28 的容量为11盎司 (180 毫升)。 可以使用更大容量
的装置，但不要使用管活栓进口和出口小于 1/2” 的装置。
每运行 40,000 转或一个月（以先发生的为准），注入 1.5 cc 的
Ingersoll Rand 28 号润滑脂到润滑脂嘴(60)内。
轴的旋转方向
可以组装 4800 系列不可逆转马达，轴可以顺时针旋转或逆时针旋
转。 要使轴反转：
1. 从马达机座 (10) 上拆下马达组件。
2. 从马达上拆下端盖和轴承。
3. 将缸体 (19) 从转子 (17) 上抬起，将其两端对调，然后再将其装
回转子。
4. 在转子轮毂上安装端板和轴承组件，并将组装好的马达安装到
机座中。
5. 拆下 3 颗背头带帽螺丝 (11)，将背头 (2) 和背头垫圈 (3)
转动 120°，使背头面上的孔槽与马达机座后面的一组错位孔
对齐。 如背头安装正确，则当孔槽位于字母 “F” 上方时，为
逆时针轴旋转（面向轴端），位于字母 “R” 上方时，为顺时针
旋转。 组装后的 4800 系列不可逆转马达旋转方向可以通过拆
下空气过滤器 (1)，从锥型开口内看到是字母 “F” 或 “R” 来确
定。 将背头安装在 4840 系列可逆转马达上，每个进气端口通
过机座后壁与三个孔位组对齐。
由于其中一个马达进气口要排出二次废气，因此必须将一个四通
节流阀（无论是手动、遥控或自动控制）装在通向 4840 系列可逆
转马达的供气管路中，当相反的进气口将空气吸入马达时，该四
通阀必须与大气相通。 如果使用关闭或限制二次排气管线的节流
阀，将导致很大的反压，大大降低了马达的速度和功率。
当应用中要求在每根气管中使用单独的节流阀时，必须使用两个
三通阀。
（图 TPB176）
部件和维护
当马达寿命到期时，应将马达拆卸并去脂，零件按材料分开以进行回收。
手册可从 www.irtools.com 下载。
如有任何事宜，请就近垂询 Ingersoll Rand 办事处或经销商。
03523545_ed15 7
Air Motor Exploded Diagram
8
9
3
2
11
12
1
18
16
11
12
13
14
15
17
19
20
21
22
10
9
6
4
5
7
Backhead used on
series 4840
Reversible Motors
(Dwg. TPB1028)
8 03523545_ed15
Air Motor Exploded Diagram
61
60
32
59
34
35
33
31
36
30
38
62
37
42
43
39
41
40
44
61
60
46
62
49
48
49
47
45
50
59
58
46
49
48
49
47
45
50
57
51
52
53
54
55
56
“M” ratio with optional
Square Drive Spindle
“D”, “K” and “N” ratio
with Round Shaft Spindle
“P”, ”Q”, “S” and “U” ratio
with Round Shaft Spindle
(Dwg. TPA1349-1)
03523545_ed15 9
Air Motors Parts List
Item Part Description Part Number Item Part Description Part Number
1
Air Strainer (1 for non-reversible models; 2 for
R4800-565
• 43
Spindle Planet Gear Bearing (for N ratio) (3) R4800-654
reversible models) 44 Spindle Rear Bearing (for D, K or N ratio) W44-97
2 Backhead Spindle Assembly
for non-reversible models R4800-102 Round Keyed Shaft
R4800P-A108
for reversible models R4840-102 (standard for P, Q or S ratio)
• 3 Backhead Gasket Round Keyed Shaft (standard for U ratio) R4801U-A108
for non-reversible models R4800-283 3/4” Square Drive Shaft
R4800P-A8
for reversible models R4840-283 (optional for P, Q or S ratio)
4 Exhaust Deector (with slotted front exhaust)
R4800-23
3/4” Square Drive Shaft
R4801U-A8
(standard) (optional for U ratio)
Exhaust Deector Assembly (with 1” pipe tap
R4800-A123
1” Square Drive Shaft (optional for U ratio) R4801U-A208
exhaust) (optional)
45
Spindle
5 Exhaust Deector R4800-123 Round Keyed Shaft
R4800P-108
• 6 Deector Front Seal R4800-210 (standard for P, Q or S ratio)
• 7 Deector Rear Seal M0V003AA-739 Round Keyed Shaft (standard for U ratio) R4801U-108
8 Muer R4800-175 3/4” Square Drive Shaft
R4800P-8
9 Exhaust Deector Retaining Ring (2) R4800-323 (optional for P, Q or S ratio)
10 Motor Housing R4800-40 3/4” Square Drive Shaft
R4801U-8
11 Cap Screws (6) 5080-638 (optional for U ratio)
12 Lock Washer (6) 8U-58 1” Square Drive Shaft (optional for U ratio) R4801U-208
13 Rear Rotor Bearing Retainer R4800-119 for all P, Q or S ratio spindles R4800-510
• 14 Rear Rotor Bearing R2-24A for all U ratio spindles MR-988
• 15 Rear End Plate R4800-12 • 46 Spindle Front Bearing
16 Cylinder Dowel R4800-98 for all P, Q or S ratio spindles R4800-510
17 Rotor for all U ratio spindles MR-988
for D, M, P or S ratios (9 teeth) R4800M-53 47 Spindle Planet Gear Shaft
for K ratio (14 teeth) R4800K-53 for all P, Q, or S ratio spindles R4800-190
for N ratio (6 teeth) R4900N2-53 for all U ratio spindles R4801U-191
for Q ratio (13 teeth) R4901-53 48 Spindle Planet Gear (3)
for U ratio (7 teeth) R4800U-53 for all P, Q or S ratio spindles (16 teeth) R4800P-9
• 18 Vane Packet (set of 5 Vanes) R4800-42-5 for all U ratio spindles (18 teeth) R4801U-A9
19 Cylinder • 49
Spindle Planet Gear Bearing (2 for each Gear)
for non-reversible models R4800-3 for all P, Q or S ratio spindles WWU10-510
for reversible models R4840-3 for all U ratio spindles R4801U-510
• 20 Front End Plate R4800-11 • 50 Spindle Rear Bearing R4800-97
• 21 Front Rotor Bearing R3H-24 Gear Head Assembly
22 Motor Retaining Washer (2) R4800-81 for P ratio R4800P-A216
30 Motor Retaining Ring (for D, K, M or N ratio) R4800-118 for Q ratio R4800Q-A216
Spindle Assembly for S ratio R4800S-A216
Round Keyed Shaft
R4800M-A108
for U ratio R4801U-A216
(standard for M ratio) 51 Gear Head
5/8” Square Drive Shaft
R4800M-A8
for P ratio R4800P-216
(optional for M ratio) for Q ratio R4800Q-216
31 Spindle for S ratio R4800S-216
Round Keyed Shaft R4800M-108 for U ratio R4801U-216
5/8” Square Drive R4800M-8 52 Gear Head Planet Gear (2)
• 32 Spindle Front Bearing R4800-510 for P ratio R4800P-10
33 Spindle Planet Gear Shaft (2) R4800-191 for Q ratio R4800Q-10
34 Spindle Planet Gear (31 teeth) (2) R4800M-9 for S ratio R4800S-10
• 35
Spindle Planet Gear Bearing
R4800-654
for U ratio R4801U-10
(1 for each Gear)
• 53
Gear Head Planet Gear Bearing
R4800-654
• 36 Spindle Rear Bearing W44-97 (1 for each Gear)
37 Spindle (round keyed shaft) 54 Gear Head Planet Gear Shaft R4800-191
for D ratio R4800M-108 55 Rotor Pinion (for P ratio only) R4800-17
for K ratio R4800K-108 • 56 Gear Head Bearing W44-97
for N ratio R4800N-108 57 Internal Gear (for P, Q, S or U ratio) R4800-406
• 38 Spindle Front Bearing (for D, K or N ratio) R4800-510 58 Internal Gear Key (for P, Q, S or U ratio) (2) R4800-407
39 Spindle Planet Gear Shaft (for K or N ratio) (3) R4800-191 59 Gear Case
40 Spindle Drive Plate Shaft (for D ratio) (2) R4800-191 for D, K. M or N ratio R4800M-37
41 Spindle Drive Plate (for D ratio) R4800M-171 for P, Q or S ratio R4800P-37
42 Spindle Planet Gear (for N ratio) (33 teeth) (3) R4900N2-9 for U ratio R4801U-37
42 Spindle Planet Gear (for K ratio) (29 teeth) (3) R4800K-10 60 Grease Fitting R1-188
• 43
Spindle Planet Gear Bearing
R4800-654
61 Grease Fitting Washer R3-92A
(1 for each Gear) 62 Spindle Key 107-54
• To keep downtime to a minimum, it is desirable to have on hand certain repair parts. We recommend that you stock one (pair on set) of each
part indicated by a bullet (•) for every four tools in service.
10 03523545_ed15
Maintenance Section
WARNING
Always use protective eyewear when performing maintenance
on a motor or operating a motor.
Always turn o the air supply and disconnect the air supply line
before installing, removing or adjusting any accessory on this
motor, or before performing maintenance on this motor. Failure
to do so could result in injury.
Disassembly
General Instructions
1. Do not disassemble the motor any further than necessary to
replace or repair damaged parts.
2. Do not remove any part which is a press t in or on a
subassembly unless the removal of that part is necessary for
repairs or replacement.
3. Whenever grasping a motor or part in a vise, always use leather-
covered or copper-covered vise jaws to protect the surface of the
part or motor and help prevent distortion. This is particularly true
of threaded members and housings.
4. When removing the Planet Gear Shafts 33, 39, 40 or 47), support
the motor end of the assembly and press the Shafts out toward
the motor end. The shaft holes through the web are slightly
tapered so that the Shafts have a tighter t in the front web.
5. Do not press any needle bearing from a part unless you have a
new needle bearing on hand for installation. Needle bearings are
always damaged during the removal process.
Disassembly of the Motor
1. Unscrew and remove one Air Strainer (1) for non-reversible
models and two Air Strainers for reversible models from the
Backhead (2).
2. Using a 3/16” hex wrench, unscrew and remove the three
Backhead Cap Screws (11), Lock Washers (12) and separate the
Backhead from the Motor Housing (10). Remove the Backhead
Gasket (3).
3. For Standard Exhaust models, slide the Exhaust Deector (4)
with the Muer (8) o the Motor Housing. For Piped-Away
Exhaust Models, slide the Exhaust Deector (5) and Muer (8)
o the Motor Housing and remove the Exhaust Deector Front
Seal (6) and Exhaust Deector Rear Seal (7) from the grooves
inside the Exhaust Deector.
4. Using a 3/16” hex wrench unscrew and remove the three Gear
Case Cap Screws (11) and Lock Washers (12).
5. Separate the assembled Gear Case (59) from the Motor Housing
and set the assembled Gear Case aside.
6. For D, K, M or N ratio motors, remove the Motor Spacer (30) and
two Motor Retaining Washers (22).
For all other models, remove the two Motor Retaining Washers
(22).
7. Grasp the pinion of the Rotor (17) and pull the assembled motor
out of the Motor Housing. It may be necessary to gently tap
the face of the Motor Housing with a plastic hammer to jar the
assembly free.
8. Grasp the Cylinder (19) in one hand and using a plastic hammer,
sharply rap the spline on the end of the Rotor to remove the
Front End Plate (20) and Front Rotor Bearing (21) which will free
the Cylinder and Vanes (18). Remove the Cylinder Dowel (16).
9. Jar the Front Rotor Bearing out of the Front End Plate by bumping
the End Plate on a wooden block.
10. Using snap ring pliers, remove the Rear Rotor Bearing Retainer
(13) from the hub of the Rotor and remove the Rear Rotor
Bearing (14) and Rear End Plate (15).
Disassembly of the Gearing
1. For P, Q, S or U ratio, grasp the Gear Head Bearing (56) and pull
the assembled Gear Head (51) out of the Gear Case (59).
2. For P, Q, S or U ratio, using a bearing puller, pull the Gear Head
Bearing o the rear hub of the Gear Head.
3. For P, Q, S or U ratio, support the short hub end of the Gear Head
on the table of an arbor press and press the Gear Head Planet
Gear Shafts (54) from the Gear Head. Make certain the Shafts are
pressed out toward the short hub because the holes in the Gear
Head are tapered smaller toward the front of the Gear Head.
4. For P, Q, S or U ratio, remove the Gear Head Planet Gears (52)
from the Gear Head.
5. For P ratio, remove the Rotor Pinion (55).
6. For P, Q, S or U ratio, if the Gear Head Planet Gear Bearings (53)
must be replaced, press them from the Planet Gears.
7. Holding the Gear Case, push the output end of the Spindle (31,
37 or 45) to move the Spindle Assembly out the motor end of the
Gear Case.
8. Using a bearing puller, pull the Spindle Rear Bearing (36, 44 or 50)
o the rear hub of the Spindle.
9. Using a bearing puller, pull the Spindle Front Bearing (32, 38 or
46) o the front hub of the Spindle.
10. For D ratio, support the short hub end of the Spindle on the
table of an arbor press and press the Spindle Drive Plate Shafts
(40) from the Spindle, Make certain the Shafts are pressed out
toward the short hub because the holes in the gear frame of the
Spindle are tapered smaller toward the output end of the spindle
shaft. Remove the Drive Plate (41) from the Spindle.
For all other ratios, support the short hub end of the Spindle
on the table of an arbor press and press the Spindle Planet Gear
Shafts (33, 39 or 47) from the Spindle. Make certain the Shafts are
pressed out toward the short hub because the holes in the gear
frame of the Spindle are tapered smaller toward the output end
of the spindle shaft. Remove the Spindle Planet Gears (34, 42 or
48) from the Spindle.
11. If the Spindle Planet Gear Bearings (35, 43 or 49) must be
replaced, press them from the Planet Gears.
12. For P, Q, S or U ratio, insert a hooked tool into the ange end of
the Gear Case and catching the spindle end of the Internal
Gear (57), pull it from the Gear Case.
Assembly
General Instructions
1. Always press on the Inner ring of a ball-type bearing when
installing the bearing on a shaft.
2. Always press on the Outer ring of a ball-type bearing when
pressing the bearing into a bearing recess.
3. Whenever grasping a tool or part in a vise, always use leather-
covered or copper-covered vise jaws. Take extra care not to
damage threads or distort housings.
4. Except for bearings, clean every part and wipe every part with a
thin lm of oil before installation.
5. Check every bearing for roughness. If an open bearing must be
cleaned, wash it thoroughly with a clean suitable solution and
dry with a clean cloth. Sealed or shielded bearings should not be
cleaned. Work grease into every bearings before installation.
6. Apply a lm of O-ring lubricant to every O-ring before installation.
7. When installing the Planet Gear Shafts (25 or 36), support the
spindle end of the assembly and press the Shafts in toward the
spindle end. The shaft holes through the web are slightly tapered
so that the Shafts have a tighter t in the front web.
8. Unless otherwise noted, always press on the stamped end of a
needle bearing when installing a needle bearing into a recess.
When installing Spindle Planet Gear Bearings (49), always insert
one Bearing into each end of the Gear. Never use one Bearing as
a pressing plug for the second Bearing. Use a bearing inserting
tool similar to the one shown in Dwg. TPD786.
03523545_ed15 11
Shoulder to
regulate depth
Pilot to t I.D. of bearing
length of pilot to be
approximately 1/8” less
than length of bearing
15˚
Needle Bearing inserting tool
(Dwg. TPD786)
Assembly of the Gearing
1. For P, Q, S or U ratio, if the Spindle Planet Gear Bearings (49) were
removed from the Spindle Planet Gears (48), press new Bearings into
the Gears using a needle bearing inserting tool. Press one Bearing
in from each end of the Gear until they are ush with the face of the
Gear. If any Gears are damaged, install a complete new set of Gears.
Do not mix old Gears with new Gears in the same motor.
For K, M or N ratio, if the Spindle Planet Gear Bearings (35 or 43)
were removed from the Spindle Planet gears (34 or 42), press new
Bearings into the Gears using a needle bearing inserting tool. If
any Gears are damaged, install a complete new set of Gears. Do
not mix old Gears with new Gears in the same motor.
2. For D ratio, support the web at the output end of the
Spindle (37) on the table of an arbor press and position the Spindle
Drive Plate (41) inside the web making certain that the pin holes are
in alignment. The holes in the webs of the Spindle are tapered and
smaller toward the output end of the Spindle. Press both Spindle
Drive Plate Shafts (40) through the rear web and Drive Plate into the
front web until the Shafts are ush with the face of the rear web.
For all other ratios, support the web at the output end of the
Spindle (31, 37 or 45) on the table of an arbor press and position
a Spindle Planet Gear with Bearings in the web. The holes in the
webs of the Spindle are tapered and smaller toward the output
end of the Spindle. Press a Spindle Planet Gear Shaft (33, 39 or 47)
through the rear web and Bearings into the front web until the
Shaft is ush with the face of the rear web.
3. For all ratios except D ratio, repeat Step 2 with the remaining
Spindle Planet Gears and Bearings.
4. Stand the Spindle, output end upward, on the table of an arbor
press and using a piece of tubing that will clear the Spindle, press
the Spindle Front Bearing (32, 38 or 46) onto the Spindle.
5. Invert the Spindle and without applying pressure to the Spindle
Front Bearing, press the Spindle Rear Bearing (36, 44 or 50) onto
the short hub of the Spindle.
6. For P, Q, S or U ratio, align one of the exterior slots on the Internal
Gear (57) with the two Internal Gear Keys (58) located opposite
the Grease Fitting (60) in the Gear Case (59). Push the Internal Gear
into the Gear Case until it stops against the gear teeth in the Case.
7. Apply lubricant to the gearing and shaft and insert the assembled
Spindle, output end leading, into the end of the Gear Case with
the largest opening. Push the assembly into the Gear Case until
the Spindle Front Bearing seats in the gear case bearing recess.
8. For P, Q, S or U ratio, if the Gear Head Planet Gear Bearings (53)
were removed from the Gear Head Planet Gears (52), press new
Bearings into the Gears using a needle bearing inserting tool. If
any Gears are damaged, install a complete new set of Gears. Do
not mix old Gears with new Gears in the same motor.
9. For P, Q, S or U ratio, support the web at the spline shaft end of
the Gear Head (51) on the table of an arbor press and position a
Gear Head Planet Gear with a Bearing in the web. The holes in the
webs of the Gear Head are tapered and smaller toward the spline
shaft end of the Gear Head. Press a Gear Head Planet Gear
Shaft (54) through the rear web and Bearing into the front web
until the Shaft is ush with the face of the rear web.
10. For P ratio, insert the Rotor Pinion (55) into the center of the Gear
Head. This must be done before installing the second Gear in the Gear
Head. It cannot be installed after a second Gear is secured in position.
11. For P, Q, S or U ratio, repeat Step 9 with the remaining Gear Head
Planet Gear and Bearing.
12. For P, Q, S or U ratio, stand and support the assembled Gear
Head on the table of an arbor press with the spline shaft end
downward and press the Gear Head Bearing (56) onto the hub of
the Gear Head.
13. For P, Q, S or U ratio, apply lubricant to the gear head gearing
and while engaging the spline of the Gear Head with the gearing
of the Spindle and Internal Gear, slide the assembled Gear Head
into the Gear Case.
Assembly of the Motor
1. Push the Rear End Plate (15), at face leading, onto the short hub
of the Rotor (17).
2. Push the Rear Rotor Bearing (14) onto the short hub of the Rotor
into the recess of the Rear End Plate and install the Rear Rotor
Bearing Retainer (13) in the groove on the shaft of the Rotor to
retain the Bearing and End Plate.
3. Place a Vane (18) in each vane slot in the Rotor and place the
Cylinder (19) down over the Rotor and Vanes and against the Rear
End Plate. Make certain the holes in the Cylinder and End Plate
can be aligned. If they don’t align, invert the Cylinder.
4. Press the Front Rotor Bearing (21) into the bearing recess of the
Front End Plate (20).
5. Press the Front Rotor Bearing, Front End Plate leading onto the
spline end of the rotor shaft until the End Plate contacts the
Cylinder.
6. Use a 1/8” rod approximately 12” long to align the cylinder dowel
holes in the Front End Plate, Cylinder and Rear End Plate. Insert
the end of the rod at the Rear End Plate end into the dowel hole
in the Motor Housing. Slide the assembled motor along the rod
into the Motor Housing until it stops against the bottom of the
motor bore.
7. Remove the assembly rod and install the Cylinder Dowel (16) in
its place.
8. Install the two Motor Retaining Washer (22), the concave face of
both Washers trailing, over the hub of the Front End Plate.
9. For D, K, M or N ratio, install the Motor Spacer (30) over the rotor
shaft and into the Motor Housing against the Motor Retaining
Washers.
10. Install the assembled Gear Case against the Motor Housing.
It may be necessary to rotate the Spindle by hand to properly
engage the gearing with the spline on the Rotor.
11. Secure the Gear Case to the Motor Housing with the three Gear
Case Cap Screws (11) and Lock Washers (12).
12. For Models with Piped-Away Exhaust, install new Exhaust
Deector Seals (6 and 7) in the internal grooves at each end of
the Exhaust Deector (5).
13. Slide the Muer (8) over the rear of the Motor Housing until it
stops against the body of the Housing.
14. Slide the Exhaust Deector over the rear of the Motor Housing
and Muer until it stops against the forward Exhaust Deector
Retaining Ring (9).
15. Position the Backhead Gasket (3) against the rear face of the
Motor Housing.
For Series 4800 Non-reversible Motors, position the Gasket to
block o the holes in the quadrant marked with an “R” if forward
rotation is desired, or to block o the holes in the quadrant with
an “F” if reverse rotation is desired.
For Series 4840 Reversible Motors, position the Gasket so that
each gasket inlet port aligns with a group of three holes through
the housing rear wall.
16. Place the Backhead against the Gasket. Install the three Backhead
Cap Screws (11) and Lock Washers (12) to secure the Backhead
and Exhaust Deector to the Motor Housing.
17. Install one Air Strainer (1) for non-reversible models and two Air
Strainers for reversible models in the Backhead (2).
www.irtools.com
© 2008 Ingersoll Rand Company
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Ingersoll-Rand Multi-Vane 4840 Series Operation and Maintenance Manual
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