TM 5-2420-231-23-1
0067
Table 1. Loader Bucket Does Not Operate Correctly.
0067
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Loader Bucket Does Not
Test Step 1. Test Operation of Loader
Operate Correctly
Systems.
1. Ensure ride control switch (Figure
1, Item 1) is in off position (TM 5-
2420-231-10).
Figure 1. Ride Control Switch.
0067
2. Operate loader bucket (TM 5-
Loader Bucket Cylinders Operate
Slowly - Proceed to Test Step 2.
2420-231-10). Monitor and record
machine operation.
Loader Bucket Will Not Operate -
Proceed to Test Step 5.
Test Step 2. Inspect Loader Bucket
Cylinder Hydraulic Tubes and
Hoses.
1. Ensure hose connections are tight.
2. Inspect left loader bucket cylinder
Left Loader Bucket Cylinder
hydraulic hoses (Figure 2, Item 3)
Hydraulic Hoses OK - Proceed to step
(WP 0234) for kinks, damage, and
4.
Class III leaks.
Left Loader Bucket Cylinder
Hydraulic Hoses Leaking, Kinked or
Damaged - Replace loader bucket
cylinder hydraulic hoses (WP 0234).
Proceed to Test Step 8.
3. Inspect left loader bucket cylinder
Left Loader Bucket Cylinder
hydraulic tubes (Figure 2, Item 1)
Hydraulic Tubes OK - Proceed to
(WP 0234) for damage and Class
step 5.
III leaks.
Left Loader Bucket Cylinder
Hydraulic Tubes Leaking or
Damaged - Replace loader bucket
cylinder hydraulic tubes (WP 0234).
Proceed to Test Step 8.
