TM 5-2420-231-23-1
0068
Table 1. Load Leveler Function Fails to Operate or Operates Improperly.
0068
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Test Step 1. Verify Operation of
Load Leveler Function Fails
Loader Lift, Clamshell, and Bucket.
to Operate or Operates
Improperly
1. Operate loader lift (TM 5-2420-
Lift Operates Correctly - Proceed to
231-10). Monitor and record
step 2.
machine operation.
Lift Does Not Operate Correctly -
Diagnose and repair lift malfunction
Proceed to Test Step 3.
2. Operate clamshell (TM 5-2420-
Clamshell Operates Correctly -
231-10). Monitor and record
Proceed to step 3.
machine operation.
Clamshell Does Not Operate
Correctly - Diagnose and repair
clamshell malfunction (WP 0066).
Proceed to Test Step 3.
3. Operate bucket (TM 5-2420-231-
Bucket Operates Correctly - Proceed
10). Monitor and record machine
to Test Step 2.
operation.
Bucket Does Not Operate Correctly -
Diagnose and repair bucket malfunction
Proceed to Test Step 3.