TM 5-2420-231-23-1
0067
Table 1. Loader Bucket Does Not Operate Correctly - Continued.
067
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Test Step 5. Check Loader Bucket
Loader Bucket Does Not
Linkage.
Operate Correctly -
Continued
1. Remove front instrument panel
right-side cover (WP 0176) and
right floor cover plate (WP 0277).
2. While operating loader bucket (TM
Loader Control Lever Moves Loader
5-2420-231-10), inspect linkage
Bucket Spool (Front) Up and Down -
from loader control lever (Figure 4,
Proceed to Test Step 6.
Item 1) to loader bucket valve
Loader Control Lever Disconnected
(front) (Figure 4, Item 2) (WP
From Loader Bucket Spool (Front) -
0277).
Repair or replace loader control lever
linkage (WP 0277).
Proceed to Test Step 8.
Loader Control Lever Will Not Move
Loader Bucket Spool (Front), Spool
Is Seized - Replace loader control valve
assembly (WP 0261).
Proceed to Test Step 8.
Figure 4. Control Lever Linkage.
0067
Test Step 6. Test and Adjust Loader
Relief Valve.
1. Perform loader relief valve pres-
Loader Relief Valve Pressure Within
sure check (WP 0086).
Specification of 3,000 to 3,200 psi -
Disconnect hose and pressure gauge.
Proceed to Test Step 6.
Loader Relief Valve Pressure Not
Within Specification - Proceed to
step 2.
