Ingersoll-Rand FA10i, Информация по техническому обслуживанию продукции, Страница: 9 / 20

NOTICE
• If piston, wrist pin, connecting rod or cylinder head are to be reassembled,
number each set. Add radial alignment marks for each piston and cylinder
head to motor housing.
8. Remove remaining pistons as described in step 7 as required. To remove crank
assembly, all pistons and cylinder heads must be removed.
9. Crank assembly (231) can now be removed, with oil slinger (230), by pulling
straight out from motor housing (217). Use care while guiding connecting rods
(206) through inside of motor housing.
Crankshaft Disassembly:
1. Remove cotter pin (236) and pin nut (237).
2. Remove lock pin (235) by carefully driving it out of its location. Use care not to
damage threads.
3. Pull crankshaft valve end (231) off the crankshaft.
4. Remove connecting rod rings (234), bushing (233), sleeve (232) and connecting
rods (206). Record the five connecting rod (206) numbers and foot directions so
they can be reinstalled in the same order.
5. Oil slinger (230) does not have to be removed unless damaged. If removal is
required, heating of the five screws (229) may be required to loosen Loctite®
connection.
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Control Valve Disassembly
Refer to Dwg. MHP2696.
Handle Removal:
Handle disassembly is not recommended.
1. Carefully pry off plug (935).
2. Remove capscrew (901) and tablock washer (909).
NOTICE
• Observe spring (937) connection during disassembly. This spring is under
tension and is required to return handle to neutral position.
3. Carefully pull handle assembly (930) from reverse valve (943). Remove spring
(937).
Reverse Valve Removal:
1. Remove buttonhead screws (938), capscrews (925) and washers (924) from seal
bracket (939). Remove seal bracket from valve housing (917). Remove and
discard ‘O’ rings (941) and (942).
2. Remove capscrews (901) and washers (902) from exhaust flange (955). Remove
flange from valve housing. Remove and discard ‘O’ ring (942).
3. Slide reverse valve (943) out exhaust flange side of housing until ball (916) is
visible on reverse valve. Allow ball (916) to drop out of bushing (944) and remove
ball.
4. Remove bushing (944) from exhaust flange side of housing.
NOTICE
• Dowel pin (945) allows the bushing (944) to be removed only from the
exhaust flange side of housing. Ball (916) retains reverse valve (943) in
bushing.
• Do not remove reverse valve (943), bushing (944), and ball (916) at the same
time; damage may occur to bushing.
• Take care to not allow ball (916) to drop into motor. If this occurs it may be
necessary to disassemble motor to retrieve ball.
Piston Removal:
1. Remove capscrews (901) and washers (902) from piston cover (919). Remove
cover and discard gasket (918).
2. Remove capscrews (901) and washers (902) from poppet cover (903). Remove
cover and discard gasket (904).
3. Remove the following items from housing poppet bore: poppet spring (905),
poppet cap (906) and poppet seal (907).
4. From poppet side, push piston (922) out of valve housing (917). Remove ‘O’ rings
(921) and (923) and discard.
Pilot Valve Removal:
NOTICE
• For easier removal, it is recommended to use Ingersoll Rand pilot valve tool
(920). This must be purchased separately.
If pilot valve is not damaged, it is not necessary to disassemble completely.
1. Remove plug (912).
2. Remove pilot valve assembly (910) as an assembly.
3. Discard and replace pilot valve assembly (910) if necessary.
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Emergency Stop and Overload Control Valve Disassembly
Refer to Dwg. MHP2697.
Handle Removal:
Follow disassembly instructions in ‘Control Valve Disassembly’ on page 9.
Reverse Valve Removal:
1. Remove buttonhead screws (938), capscrews (925) and washers (924) from seal
bracket (939). Remove seal bracket from valve housing (917). Remove and
discard ‘O’ rings (941) and (942).
2. Remove capscrews (721), washers (902), exhaust flange (955) and exhaust
adapter (723). Remove and discard ‘O’ rings (942) and (722).
3. Move reverse valve (943) out exhaust flange side of valve housing (917) until ball
(916) is visible on reverse valve. Allow ball (916) to drop out of bushing (944) and
remove ball.
4. Remove bushing (944) from exhaust flange side of housing.
NOTICE
• Dowel pin (945) allows the bushing (944) to be removed only from the
exhaust flange side of housing. Ball (916) retains reverse valve (943) in
bushing.
• Do not remove reverse valve (943), bushing (944) and ball (916) at the same
time; damage may occur to bushing.
• Take care to not allow ball (916) to drop into motor. If this occurs it may be
necessary to disassemble motor to retrieve ball.
Piston Removal:
Follow disassembly instructions in ‘Control Valve Disassembly’ on page 9.
Pilot Valve Removal:
Follow disassembly instructions in ‘Control Valve Disassembly’ on page 9.
Emergency Stop Removal:
1. Unscrew adapter (706) and E-Stop button (705) from valve housing.
2. Remove plunger (707). Remove and discard ‘O’ rings (703).
3. Pull spring (711) out of valve housing (917) and discard.
Overload Valve Removal:
1. Unscrew cap (700). Remove and discard grommet (701).
2. Pull out plunger (702), remove and discard ‘O’ rings (703).
3. Remove capscrews (901) and washers (902) from cover (719) underneath valve
housing (917).
NOTICE
• Cover (719) retains spring (718). To remove capscrews (901) and washer
(902), unscrew in a crisscross pattern.
4. Remove adjusting screw (720) and ‘O’ ring (716).
5. Remove adjusting nut (717), plate (715), gasket (714), ‘O’ ring (713) and piston
(712) from valve housing (917). Discard gasket (714) and ‘O’ ring (713).
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Pendant Operated Pilot Control Valve Disassembly (optional
feature)
Refer to Dwg. MHP2969.
CAUTION
• Do not disassemble control valve.
• Contact an Ingersoll Rand Service Center for repair.
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Manual Band Brake Disassembly (optional feature)
Refer to Dwg. MHP0627.
1. Remove nuts (102), lockwashers (103) and U-bolts (109).
2. Remove nut (110), handwheel (104), bearing (111) and tube (112).
3. Pull out brake screw (114). Catch spring (113) as brake screw clears.
4. Remove capscrews (116) and lockwashers (117). Remove anchor (118) and plate
(122).
5. Remove capscrews (119) and washers (117). Remove support (126).
6. Slide brake band halves (128) off drum (96).
7. Remove capscrews (124), washers (123) and nuts (115) and separate brake band
halves.
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Automatic Band Brake Disassembly (optional feature)
Refer to Dwg. MHP2329.
1. Disconnect and remove hose, fittings and exhaust valve (71) from cylinder (134).
2. Remove cotter pin (57) and pin (58) from link stud (56) and brake band (59).
3. Remove cotter pin (44) and pin (46). Separate clevis (51) from lever arms (34) and
(61).
4. Remove nuts (60), washers (32) and capscrews (25) from lever arms (34) and (61).
5. Remove spacers (35), bushings (54) and pivot nuts (55).
6. Remove cotter pin (44) and pin (65) from bracket (74). Remove cylinder (134)
from bracket (74).
7. Remove capscrews (67) and (116) and lockwashers (117). Remove anchor (118),
bracket (74) and plate (122).
8. Remove capscrews (119) and washers (117). Remove support (126).
9. Slide brake band halves (128) off drum (96).
10. Remove capscrews (124), washers (123) and nuts (115) and separate brake band
halves.
CAUTION
• It is not recommended to disassemble cylinder (134) due to extreme
pressure of loaded spring. Contact factory for service.
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Reduction Gear Disassembly
NOTICE
• It is extremely important to maintain a clean work area when reduction
gear assembly is disassembled.
• Disassembly is not recommended. If it is unavoidable, use the following
steps.
Refer to Dwg. MHP0875.
Form MHD56401 Edition 3 9