Ingersoll-Rand LC2A060S, Информация по техническому обслуживанию продукции

Страница: 10 / 20

n
Powerhead Disassembly
Refer to Dwg. MHP3165.
1. Ensure reduction gear, disc brake and motor assemblies have been removed.
2. Remove chain limit stop washer (110) from chain. Remove load chain from hoist
body (36).
3. Remove limit stop valve assemblies (342). Do not disassemble.
4. Remove pins (43) from hoist body using drift pin and hammer.
5. Remove chain stripper (31). Pull sprocket assembly (30) from hoist body (36).
Remove adapter ring (59) on 6 ton and 12 ton hoists.
6. Remove oil seal (20) and discard.
7. Remove bearings (8) and (38) from sprocket if necessary.
8. Remove ‘O’ rings (6) and (104).
n
Bottom Hook Disassembly
6 ton Single Fall
Refer to Dwg. MHP3006.
1. Remove nuts (123), lockwashers (122) (6 ton hoist only) and capscrews (56) from
half hook blocks.
2. Separate half hook blocks (118) and (218).
3. Remove load chain, thrust bearing (125), ring halves (124) and hook (106).
12 ton Double Fall
Refer to Dwg. MHP3006.
1. Remove nuts (123), lockwashers (122) and capscrews (56) from half hook blocks.
2. Separate half hook blocks (118) and (218).
3. Remove sprocket (120) and bearings (119).
4. Remove thrust bearing (125) and ring halves (124) from hook (106).
5. Pull bearings (119) from sprocket (120) and remove ‘O’ rings (129).
18 ton Triple Fall
Refer to Dwg. MHP3018.
1. Remove retainer ring (224) and anchor pin (219).
2. Remove nuts (123), lockwashers (122) and capscrews (133) from half hook blocks.
3. Separate half hook blocks (118) and (218).
4. Remove sprocket (120) and bearings (119).
5. Remove thrust bearing (125) and ring halves (124) from hook (106).
6. Pull bearings (119) from sprocket wheel (120) and remove ‘O’ rings (129).
25 ton Quad Fall
Refer to Dwg. MHP3029.
1. Remove nuts (123), lockwashers (122) and capscrews (133) from half hook blocks.
2. Separate half hook blocks (118) and (218).
3. Remove sprockets (120), bearings (119) and center ring (132).
4. Remove thrust bearing (125) and ring halves (124) from hook (106).
5. Pull bearings (119) from sprockets (120) and remove ‘O’ rings (129).
n
Trolley Disassembly
Refer to Dwg. MHP3155.
1. Support hoist and remove capscrews (331) and lockwashers (332) from support
(330). Separate hoist from trolley assembly.
2. Remove capscrews (317), lockwashers (318) and caps (319) from one of the
trolley side plates (301).
3. Carefully pull side plate from shafts (329).
4. Record quantity and position of spacers (326), (327) and (328) for later
reassembly. Remove spacers from shafts (329).
5. Remove support(s) (330) and remaining spacers from shafts.
6. Remove capscrews (317), lockwashers (318) and caps (319) on remaining side
plate (301).
7. Remove shafts (329).
8. Remove locknut (316), nut (315), bushing (338) and axle (337) from support(s)
(330). Remove sprocket assembly.
9. Remove seals (336), bearings (335) and spacer (333) from sprocket (334).
Trolley Wheel Disassembly
1. Remove locknut (316), locknut (315) and spacer (314). Pull wheel assembly from
side plate (301).
2. Remove retainer ring (321) and tap axle (322) from wheel assembly.
3. Remove retainer ring (323) and pull out bearings (324).
n
Trolley Motor and Reducer Removal
Refer to Dwg. MHP3169.
1. Shut off and bleed down main air supply to hoist.
2. Tag air lines and disconnect hoses to pendant and hose (614) to hoist motor.
3. Remove capscrews (62) and lockwashers (44) or (63) that secure trolley motor
and reducer assembly to trolley side plate (301).
4. Pull trolley motor and reducer assembly from side plate.
5. Store assembly in a clean area if later disassembly is required.
n
Trolley Motor Disassembly
Refer to Dwg. MHP3027.
1. Disconnect air hoses from power unit.
2. Remove capscrews (62) and lockwashers (63) or (44).
3. Remove power unit assembly from trolley side plate.
4. Remove nuts (111) and washers (112).
5. Remove motor assembly (254). Remove springs (114) from brake piston (116).
6. Remove brake piston (116). Remove and discard ‘O’ rings (115), (113) and (117).
7. Remove friction discs (119) and drive discs (120). Remove connector (122).
8. Remove brake body (118) and studs (110) and (149) from reduction gear
assembly (123).
9. Remove capscrew (126), washer (213), and pinion gear (214).
n
Rack Drive Trolley Motor Disassembly
Refer to Dwg. MHP3057.
1. Remove motor assembly as described in ‘Trolley Motor and Reducer Removal’
on page 10.
2. Remove cover plate (92).
NOTICE
• It is not necessary to remove overload valve (77) unless replacing ball (47)
and ‘O’ rings (53).
• It is not necessary to remove pendant adapter plate (73) unless valves (86)
require servicing.
3. Remove and discard gasket (91) (older models only).
4. Remove overload valve (77), ‘O’ rings (53) and ball (47).
5. Remove capscrews (90) and remove motor cover (83) from motor housing (76).
6. Remove and discard ’O’ rings (70).
7. Remove valves (86) and springs (84).
NOTICE
• The two bearings (78) mounting in the motor housing are bonded with
Loctite® 603 or equivalent. Remove idle gear (79) and drive gear (80) only
if replacement is necessary, use a bearing punch (IR pn: 96441232) or a
standard drift punch and a hammer. Refer to Dwg. MHP2644
on page 12.
8. To remove both bonded bearings (78) from motor housing (76), it is necessary
to use a bearing punch and hammer. Two or three strikes are enough.
9. If replacement is necessary, remove bearings (78) from drive gear (80) and idle
gear (79) (use a suitable bearing extractor).
10. Remove springs (69) from motor housing (76).
n
6 ton and 12 ton Rack Drive Trolley Reduction Gear Disassembly
Refer to Dwg. MHP3183.
1. Remove capscrew (133), washer (135) and drive gear (136) from output shaft
(663).
2. Remove plug (656) and seal washer (707) from mounting flange (651). Drain oil
into a suitable container and dispose of it in an environmentally friendly manner.
3. Remove capscrews (650) and (653) from mounting flange (651).
4. Separate mounting flange assembly from gear housing (668), this may include
ring gear (670) and planet assembly.
5. Remove mufflers (680) from mounting plate (651).
6. Pull ring gear (670) and reduction gear assembly from output shaft (663).
7. Tap output shaft out of mounting flange (651).
8. Remove spacer (704), bearings (655) and (130) and oil seal (652) from mounting
flange (651).
9. Separate reduction gear assembly from ring gear (670).
10. Remove bearing (671) from planet support (673). Tap out planet pins (677) and
remove planet gears (676). Remove bearing sleeves (672), needle bearings (674)
and spacer (675) from each planet gear (676).
11. Separate gear housing (668) from brake housing (689) and remove gasket (667).
12. Remove retainer ring (687) and tap pinion shaft (678) from planet support (673).
13. Remove retainer ring (684) and pull bearing (679) from pinion shaft.
14. Remove bearing (685) from planet support.
15. Remove brake reaction plate (68), friction discs (695), drive discs (696), spacer
(694) and brake hub (690) from brake housing (689).
16. Carefully apply low pressure air to the brake port in brake housing (689) and
remove piston (692).
17. Remove ‘O’ rings (691) and (693) from brake piston (692).
18. Remove oil seal (688) and ‘O’ rings (659) and (686) from brake housing (689).
n
18 ton and 25 ton Rack Drive 1st Stage Trolley Reduction Gear
Disassembly
Refer to Dwg. MHP3180.
1. Remove capscrew (160) and lockwasher (44). Separate reducer and motor
assembly.
2. Remove plug (656) and seal washer (660) from mounting flange (651). Drain oil
into a suitable container and dispose of it in an environmentally friendly manner.
3. Remove capscrews (650) and (653) from mounting flange (651).
4. Separate mounting flange assembly from gear housing (668), this may include
ring gear (670) and planet assembly.
5. Remove mufflers (680) from plates (657).
6. Remove capscrews (658) and plates (657) from mounting flange (651).
7. Pull ring gear (670) and reduction gear assembly from output shaft (663).
8. Remove retainer ring (654) from output shaft (663) and tap output shaft out of
mounting flange (651).
9. Remove ‘O’ rings (659), bearings (655) and (130) and oil seal (652) from mounting
flange (651).
10. Separate reduction gear assembly from ring gear (670).
11. Remove bearing (671) from planet support (673). Tap out planet pins (677) and
remove planet gears (676). Remove bearing sleeves (672), needle bearings (674)
and spacer (675) from each planet gear (676).
12. Separate gear housing (668) from brake housing (689) and remove gasket (667).
13. Remove retainer ring (687) and tap shaft spindle (678) from planet support (673).
14. Remove bearing (685), retainer ring (684) and bearing (679) from planet support.
15. Remove brake reaction plate (68), friction discs (695), drive discs (696) and spacer
(694) from brake housing (689).
16. Carefully apply low pressure air to the brake port in brake housing (689) and
remove piston (692).
17. Remove ‘O’ rings (691) and (693) from brake piston (692).
18. Remove oil seal (688) and ‘O’ rings (659) and (686) from brake housing (689).
n
18 ton and 25 ton Rack Drive 2nd Stage Trolley Reduction Gear
Disassembly
Refer to Dwg. MHP3181.
1. Remove capscrew (133) washer (119) and washer (135) from planet support
(655).
2. Remove gear (136) and key (656).
3. Remove capscrews (270) and washers (271) from flange (651).
4. Remove capscrews (650) and separate flange (651), ring gear (654) from gear
housing (669).
5. Tap planet support (655) from flange (651).
10 Form MHD56473 Edition 2