TM 5-2420-231-23-1
0076
Table 1. Backhoe Boom Does Not Operate Correctly - Continued.
076
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Test Step 2. Inspect Backhoe Boom
Backhoe Boom Does Not
Cylinder Hydraulic Hoses and
Operate Correctly -
Tubes.
Continued
Inspect backhoe boom cylinder
Backhoe Boom Cylinder Hydraulic
hydraulic hoses and tubes (Figure 3,
Hoses and Tubes OK - Proceed to
Items 1, 2, 3, and 4) (WP 0242) for
Test Step 3.
damage and Class III leaks.
Backhoe Boom Cylinder Hydraulic
Hoses and Tubes Damaged or
Leaking From Connectors - Replace
backhoe boom cylinder hydraulic hoses
and tubes (WP 0242).
Proceed to Test Step 6.
Test Step 3. Inspect Backhoe Boom
Cylinder.
Inspect backhoe boom cylinder (Figure
Backhoe Boom Cylinder OK -
Proceed to Test Step 4.
3, Item 5) (WP 0274) for damage and
Class III leaks.
Backhoe Boom Cylinder Damaged or
Leaking From Rod or Cylinder -
Replace backhoe boom cylinder (WP
0274).
Proceed to Test Step 6.
Figure 3. Backhoe Boom Cylinder, Hoses, and Tubes.
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