TM 5-3805-298-23-1
0077
Table 1. Transmission Does Not Operate in First, Second, or Third Gear, Forward - Continued.
077
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
7. Visually inspect transmission oil
Transmission Oil Cooler Hoses Are
Transmission Does Not
Not Leaking - Drain and fill transmis-
cooler hoses for Class III leaks
Operate in First, Second, or
sion oil (WP 0312).
(WP 0173). Check the ground for
Third Gear, Forward -
signs of leakage.
Continued
Proceed to Test Step 6.
Transmission Oil Cooler Hoses Are
Leaking - Tighten or replace transmis-
sion oil cooler hoses
(WP 0173).
Proceed to Test Step 6.
Test Step 4. Perform Transmission
Clutch Calibration.
1. Turn ignition switch and battery
disconnect switch to OFF position
(TM 5-3805-298-10).
2. Perform transmission clutch fill
Transmission Fill Calibration Suc-
calibration (WP 0167).
ceeded - Proceed to Test Step 5.
Transmission Fill Calibration Failed
- Perform the transmission clutch fill
calibration procedure (WP 0167)
again. If transmission fill calibration
fails replace transmission clutch 1
solenoid valve (WP 0310).
Proceed to Test Step 6.
Test Step 5. Check Clutch 1 Oil
Pressure.
1. Apply sealant on threads of
580 psi (4,000 kPa) gauge
(Figure 1, Item 1) and a 6V-3966
valved nipple (Figure 1, Item 3)
from pressure gauge kit.
2. Install adapter (Figure 1, Item 4)
on 580 psi (4,000 kPa) gauge
(Figure 1, Item 1).
3. Install 6V-3966 valved nipple
(Figure 1, Item 3) on adapter
(Figure 1, Item 4).
4. Connect hose 177-7861 (Figure 1,
Item 2), from pressure gauge kit, to
6V-3966 valved nipple (Figure 1,
Item 3).
0077-4
