TM 5-2420-231-23-1
0075
Table 1. Backhoe Dipper Does Not Operate Correctly - Continued.
075
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Test Step 2. Inspect Backhoe Dipper
Backhoe Dipper Does Not
Cylinder Hydraulic Tubes.
Operate Correctly -
Continued
Inspect backhoe dipper cylinder
Backhoe Dipper Cylinder Hydraulic
Hoses and Tubes OK - Proceed to
hydraulic hoses and tubes (Figure 3,
Test Step 3.
Items 2 and 3) (WP 0245) for damage,
kinks, and Class III leaks.
Backhoe Dipper Cylinder Hydraulic
Hoses and Tubes Leaking From
Connectors - Replace backhoe dipper
cylinder hydraulic hoses and tubes (WP
0245).
Proceed to Test Step 6.
Test Step 3. Inspect Backhoe Dipper
Cylinder.
Inspect backhoe dipper cylinder (Figure Backhoe Dipper Cylinder OK -
3, Item 1) (WP 0275) for damage and Proceed to Test Step 4.
Class III leaks.
Backhoe Dipper Cylinder Damaged
or Leaking From Rod or Cylinder -
Replace backhoe dipper cylinder (WP
0275).
Proceed to Test Step 6.
Figure 3. Backhoe Dipper Cylinder, Tubes, and Hoses.
0075
