TM 5-2420-231-23-1
0080
Table 1. Stabilizers and Backhoe Auxiliary Hydraulic Controls Do Not Operate - Continued.
080
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
NOTE
Stabilizers and Backhoe
Auxiliary Hydraulic Controls
Backhoe auxiliary hydraulic control switches should depress smoothly
Do Not Operate - Continued
and return to released (up) position when released.
3. Depress and release forward and
Forward and Reverse Backhoe
reverse backhoe auxiliary hydrau-
Auxiliary Hydraulic Control Switches
lic control switches (TM 5-2420-
Actuate Smoothly and Return the
231-10). Backhoe auxiliary
Released (Up) Position - Proceed to
hydraulic control switches should
Test Step 4.
depress smoothly and return to the
Forward or Reverse Backhoe
released (up) position when
Auxiliary Hydraulic Control Switches
released.
Do Not Actuate Smoothly or Do Not
Return to the Released (Up) Position
- Replace backhoe auxiliary hydraulic
switches (WP 0266).
Proceed to Test Step 5.
Figure 4. Backhoe Auxiliary Hydraulic Control Switches.
0080
Test Step 4. Test Pilot Control Wiring
Harness.
1. Disconnect batteries (WP 0157).
2. Remove left tower boot (WP
0287).
