TM 5-2420-231-23-1
0071
Table 1. Front End Loader Quick-Coupler Does Not Operate Correctly - Continued.
071
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2. Disconnect front console options
Front End Loader (FEL)
wiring harness (WP 0007, Figure
Quick-Coupler Does Not
135) from chassis options wiring
Operate Correctly -
harness (WP 0007, Figure 136)
Continued
(WP 0163).
3. Install a jumper wire between front
console wiring harness connector
(WP 0007, Figure 211) terminal 3
and machine ground.
4. Using a digital multimeter, mea-
Resistance 5.0 Ohms or Less -
sure resistance between front con-
Remove jumper wire from front console
sole options wiring harness
wiring harness connector (WP 0007,
connector (WP 0007, Figure 135)
Figure 211) terminal 3 and machine
terminal H and machine ground.
ground.
Resistance should be 5.0 ohms or
Proceed to step 5.
less.
Resistance Greater Than 5.0 Ohms -
Replace front console options wiring
harness (WP 0163).
Proceed to Test Step 6.
5. Disconnect chassis options wiring
harness connector (WP 0007, Fig-
ure 217) from loader quick-cou-
pler solenoid (WP 0007, Figure
218) (WP 0260).
6. Install a jumper wire between
chassis options wiring harness
connector (WP 0007, Figure 217)
terminal A and machine ground.
7. Using a digital multimeter, mea-
Resistance 5.0 Ohms or Less -
sure resistance between chassis
Remove jumper wire from chassis
options wiring harness connector
options wiring harness connector (WP
(WP 0007, Figure 136) terminal H
0007, Figure 217) terminal A and
and machine ground. Resistance
machine ground.
should be 5.0 ohms or less.
Connect chassis options wiring harness
connector (WP 0007, Figure 217) to
loader quick-coupler solenoid (WP
0007, Figure 218) (WP 0260).
Proceed to Test Step 5.
Resistance Greater Than 5.0 Ohms -
Replace chassis options wiring harness
(WP 0171).
Connect all wiring harness connectors.
Install instrument panel front covers
(WP 0174).
Proceed to Test Step 6.
0071-4