TM 9-2320-279-20-2
Brake and Air System Maintenance Instructions (Cont)
11-35. AIRHOSES AND FITTINGS REPLACEMENT (CONT).
c. Airhose Replacement.
NOTE
This section consists of Hose Indexes, Tables 11-1 through 11-5, and diagrams
to help locate ends of all airhoses on the M977 series vehicles (figs. 11-1
through 11-6). Hose numbers on Tables 11-1 through 11-5 are from AIR
SCHEMATIC, FO-2, located at end of manual.
. Tag and mark airhoses before removal.
l Cut plastic cable ties as necessary to remove airhoses.
l When replacing airhoses or tubing, remove hose or tubing from vehicle,
remove fittings, cut new hose or tubing 1/4 to l/2-in. (6 to 13 mm) longer than
hose or tubing being replaced, then install fittings.
Table 11-1. Engine Hose Index
Hose
No.
From
To/From
To
001
Air Governor (1)
Air Dryer (2)
126
Air Governor (1)
Air Dryer (Bottom) (2)
159
Air Governor (1)
Air Reservoir No. 1 Safety
Valve (3)
493
Air Governor (1)
Pressure Regulator (4)
M984
741
Pressure Regulator (4)
Throttle Control Solenoid (5)
M984
184
Air Reservoir No. 1 (3)
Air Dryer (2)
600
Air Compressor (6)
Air Intake Manifold (7)
750
High Idle Solenoid (8)
Engine Speed Governor (9)
757
Throttle Cylinder (10)
Transmission Modulator
Valve (11)
793
Throttle Control Solenoid (5)
Throttle Cylinder (10)
758
Air Governor (1)
Thermostat (12)
759
Thermostat Valve (12)
Fan Clutch (13)
492
High Idle Solenoid (8)
Air Governor (1)
416
Throttle Cylinder (10)
Air Manifold No. 4 (14)
Throttle Treadle Valve (15)
11-148
