TM 5-2420-231-23-1
0077
Table 1. Backhoe Bucket Does Not Operate Correctly - Continued.
077
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Test Step 2. Inspect Backhoe Bucket
Backhoe Bucket Does Not
Cylinder Hydraulic Hoses and
Operate Correctly -
Tubes.
Continued
Inspect backhoe bucket cylinder
Backhoe Bucket Cylinder Hydraulic
hydraulic hoses and tubes (Figure 3,
Hoses and Tubes OK - Proceed to
Items 1, 3, and 4) (WP 0247 and WP
Test Step 3.
0248) for damage and Class III leaks.
Backhoe Bucket Cylinder Hydraulic
Hoses Damaged or Leaking From
Connectors - Replace backhoe bucket
cylinder hydraulic hoses (WP 0248).
Proceed to Test Step 6.
Test Step 3. Inspect Backhoe Bucket
Cylinder.
Inspect backhoe bucket cylinder
Backhoe Bucket Cylinder OK -
Proceed to Test Step 4.
(Figure 3, Item 2) (WP 0276) for
damage and Class III leaks.
Backhoe Bucket Cylinder Damaged
or Leaking From Rod or Cylinder -
Replace backhoe bucket cylinder (WP
0276).
Proceed to Test Step 6.
Figure 3. Backhoe Bucket Cylinder, Hoses, and Tubes.
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