TM 9-2320-260-34
16-34. CRANE SHIPPER, BOOM, BOOM EXTENSION, AND ROLLERS
MAINTENANCE (M819) (Cont'd)
1. Remove grease fitting (9) from end of shaft (8).
2. Remove screw (7) from plate on shaft (8) and boom extension (10).
3. Remove shaft (8), two sheaves (2), and four sheave washers(1) from boom extension (10).
4. Remove two linch pins (5) from cable anchor pin (6).
5. Drive out cable anchor pin (6) from boom extension (10).
6. Remove two screws (4), chains (3), and linch pins (5) from boom extension (10).
g. Front Lower Roller Disassembly
NOTE
This procedure may be performed on-vehicle if boom is supported or
removed. Refer to subtask n. for assembly and adjustment procedure.
1. Remove two grease fittings (19) from covers (16).
2. Remove eight screws (18), lockwashers (17), two caps (16), and shims (15) from shipper (14),
Measure total thickness of shims (15) for each side and record value. Discard shims (15) and
lockwashers (17).
3. Using mechanical puller, remove two bearings (20) and collars (11) from roller (13).
NOTE
Measure and record thickness of shims for installation.
4. Remove roller (13) and two sets of shims (12) from shipper (14). Discard shims (12).
16-200
