TB 9-2320-335-13&P
9-9.1. TOWING PINTLE MAINTENANCE (SERIAL NUMBERS 300000 AND ABOVE) (Cont'd)
d. Assembly
1.
Install pintle lock chain (12) on towing pintle hook (11) with drivescrew (13).
2.
Install cotter pin (4) on pintle lock chain hook (3).
3.
Install towing pintle latch (9) on towing pintle hook (11) with capscrew (8) and locknut (14).
Tighten locknut (14) to 15 lb-ft (20 Nm).
4.
Install pintle latch lock (6) on towing pintle latch (9) with spring (5), capscrew (7), and locknut (10).
Tighten locknut (10) to 15 lb-ft (20 Nm).
5.
Install pintle lock chain hook (3) on towing pintle latch (9) with cotter pin (4).
6.
Install grease fitting (2) on backing plate (1).
e. Installation
1.
Install reinforcement plate (18) on rear bumper (17) with four washers (25), capscrews (24),
washers (16), and locknuts (15).
2.
Install safety chain plate (19), support plate (20), support plate (26), and backing plate (1) on rear
bumper (17) with four washers (25), capscrews (24), washers (27), and locknuts (28). Tighten
locknuts (28) to 90 lb-ft (122 Nm).
3.
Install towing pintle (21) on rear bumper (17) with washer (29), and slotted nut (30).
4.
Loosen slotted nut (30) if towing pintle (21) will not rotate easily. Install cotter pin (31) in
slotted nut (30).
9-8