TM 9-2320-280-20-3
12-11. HYDRO-BOOST VENT LINE REPLACEMENT
This task covers:
a. Removal
b. Installation
INITIAL SETUP:
Applicable Models
Manual References
All models except M966, M966A1, M1025,
TM 9-2320-280-24P
M1025A1, M1025A2, M1026, M1026A1,
M1097, M1097A1, M1097A2
Equipment Condition
Engine left splash shield removed (para. 10-17).
Tools
General mechanic’s tool kit:
automotive (Appendix B, Item 1)
Materials/Parts
Locknut (Appendix G, Item 58)
Nut and lockwasher assembly
(Appendix G, Item 147)
1. Disconnect hydro-boost vent line (2) from hydro-boost (1).
2. Remove nut and lockwasher assembly (3), capscrew (10), clamp (4), harness clamp (9), and vent
line (2) from body (11). Discard nut and lockwasher assembly (3).
3. Remove locknut (6), washer (7), capscrew (8), washer (7), clamp (5), and vent line (2) from body (11).
Discard locknut (6).
4. Remove two clamps (4) and (5) from vent line (2).
b. Installation
1. Install two clamps (4) and (5) on vent line (2).
2. Install vent line (2) and clamp (5) on body (11) with washer (7), capscrew (8), washer (7), and
locknut (6). Tighten capscrew (8) to 6 lb-ft (8 Nom).
3. Install vent line (2), harness clamp (9), and clamp (4) on body (11) with capscrew (10), and nut and
lockwasher assembly (3).
4. Connect vent line (2) to hydro-boost (1).
FOLLOW-ON TASK: Install engine left splash shield (para. 10-17).
12-14
