TM 5-2420-231-23-1
0063
Table 1. Brakes Do Not Hold Machine - Continued.
063
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2. Slowly release parking brake lever
Right Brake Pedal Keeps Machine
Brakes Do Not Hold Machine
From Moving - Engage brake pedal
(Figure 2, Item 2) (TM 5-2420-231-
- Continued
lock lever (Figure 2, Item 4) (TM 5-2420-
10). Right brake pedal should keep
231-10).
machine from moving.
Proceed to Test Step 4.
Right Brake Pedal Does Not Keep
Machine From Moving - Replace right
brake master cylinder (WP 0224).
Proceed to step 3.
3. Apply right brake pedal (Figure 2,
Right Brake Pedal Does Not Keep
Machine From Moving - Replace rear
Item 3) and place powershift lever
drive axle housing (WP 0219).
(Figure 2, Item 1) in the F position
(TM 52420-231-10).
Right Brake Pedal Keeps Machine
From Moving - Engage brake pedal
lock lever (Figure 2, Item 4) (TM 5-2420-
231-10).
Proceed to Test Step 4.
Test Step 4. Verify That Symptom Is
Resolved.
1. Apply parking brake lever (Figure
2, Item 2) (TM 5-2420-231-10).
2. Apply and hold brake pedals (Fig-
ure 2, Items 3 and 5) (TM 5-2420-
231-10).
3. Start engine and place powershift
lever (Figure 2, Item 1) in the F
position (TM 5-2420-231-10).
4. Slowly release brake pedals (Fig-
Parking Brake Keeps Machine From
ure 2, Item 3 and 5) (TM 5-2420-
Moving - Proceed to step 5.
231-10). Parking brake should
Parking Brake Does Not Keep
keep machine from moving.
Machine From Moving - Repeat
troubleshooting from beginning.
5. Disengage brake pedal lock lever
(Figure 2, Item 4) (TM 5-2420-231-
10).
6. Apply and hold left brake pedal
(Figure 2, Item 5) (TM 5-2420-231-
10).
7. Slowly release parking brake lever
Left Brake Pedal Keeps Machine
(Figure 2, Item 2) (TM 5-2420-231-
From Moving - Proceed to step 8.
10). Left brake pedal should keep
Left Brake Pedal Does Not Keep
machine from moving.
Machine From Moving - Repeat
troubleshooting from beginning.
8. Apply parking brake lever (Figure
2, Item 2) (TM 5-2420-231-10).
0063-4
