TM 5-2420-231-23-1
0070
Table 1. Return-to-Dig Function Fails to Operate or Operates Improperly - Continued.
070
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Switch OK - Proceed to step 5.
4. Inspect return-to-dig limit switch
Return-to-Dig Function Fails
Switch Damaged - Replace and adjust
(Figure 1, Item 6) and switch lever
to Operate or Operates
return-to-dig limit switch (WP 0278).
and roller (Figure 1, Item 3) for
Improperly - Continued
Proceed to Test Step 9.
damage.
5. Inspect bracket (Figure 1, Item 1),
Bracket and Mounting Hardware OK
- Proceed to Test Step 3.
and mounting hardware (Figure 1,
Item 2) for corrosion and damage.
Bracket or Mounting Hardware
Corroded or Damaged - Replace
bracket or mounting hardware as
necessary (WP 0278).
Adjust return-to-dig limit switch (WP
0278).
Proceed to Test Step 9.
Bracket and Mounting Hardware
Loose - Adjust return-to-dig limit switch
(WP 0278).
Proceed to Test Step 9.
Figure 1. Return-to-Dig Limit Switch and Hardware.
0070
