TM 5-5420-280-23&P
0024 00
BRIDGE UPPER COUPLING LOCK LEVER, RECEPTACLE, AND LOCKING MECHANISM
MAINTENANCE (Contd)
CLEANING AND INSPECTION
WARNING
Cleaning solvent mixture is combustible. Use mechanical
ventilation whenever product is used in a confined space. DO NOT
use or store near heat, sparks, flame, or other ignition sources,
Keep container sealed when not in use.
Contact with cleaning solvent may cause skin irritation. Use
chemical-resistant gloves. In case of skin contact, remove any
contaminated clothing and wash skin thoroughly with soap and
water. Wash contaminated clothing before reuse. Eye contact may
cause irritation, tearing, or blurring of vision, Use face shield or
goggles when eye contact may occur. In case of eye contact, flush
eyes with large amounts of water for at least fifteen (15) minutes or
until irritation subsides. Inhalation may cause irritation to upper
respiratory passages. DO NOT have food or drink in the vicinity.
1. Clean all locking mechanism parts with cleaning solvent and dry with cloth before inspection.
2. Inspect lock lever (5) and receptacle (3) for cracks, wear, or damage to locking pins (4). Replace if
worn, damaged, or cracked.
3. Inspect remote control lever (11) for cracks or damage to roller surface. Replace if worn, damaged, or
cracked.
4. Inspect remote control lever bushing (12) and shoulder bolt (10) for cracks, wear, or damaged threads.
Replace if worn, damaged, or cracked.
5. Inspect needle cam follower (7) for cracks or damaged threads. Replace if worn, damaged, or cracked.
6. Inspect lock lever (8) for cracks or damaged spline. Replace if worn, damaged, or cracked.
7. Inspect shaft (1) for crack or wear on bushing mating surfaces. Replace if worn, damaged, or cracked.
8. Inspect lock lever support bracket (13) for cracks or worn bushings (2) and (6). Replace if worn,
damaged, or cracked.
9. Inspect springs (9), (18), (21), and (22) for cracks or broken ends and spring (17) for cracks or missing
coils. Replace if worn, damaged, or cracked.
10. Inspect trigger (20) for cracks, damage, or worn bushing (19). Replace if worn, damaged, or cracked.
11. Inspect trigger lever (24) and bushing (23) for wear or damage. Replace if worn.
12. Inspect cam lever (25) for cracked welds, damage, or worn bushing (26). Replace if worn, damaged, or
cracked.
13. Inspect shaft lever (32) for cracks or damage. Replace if worn, damaged, or cracked.
14. Inspect plunger (31) for bent shaft or worn bushing mating surfaces. Replace if worn, damaged, or
cracked.
15. Inspect plunger housing (16) for worn bushing (14), two bushings (27), and damaged threaded inserts
(15). Replace if worn, damaged, or cracked.
16. Inspect roller wheel (30) for damage, bent pin (28) or worn bushing (29). Replace if worn, damaged, or
cracked.
Change 1
0024 00-6
