TM 5-3805-298-23-2
0152
Table 1. Quick Coupler Will Not Operate - Continued.
0152
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Quick Coupler Will Not
5. Using digital multimeter
Resistance 5.0 Ohms or Less
Operate - Continued
(WP 0174), measure resistance
Proceed to Test Step 6.
between connector S-2 (WP 0012,
Resistance Greater Than 5.0 Ohms
Figure 216) terminal 1 and
Proceed to Test Step 9.
terminal 2.
WARNING
DO NOT disconnect or remove any hydraulic system hoses, tubes, or
fittings unless engine is shut down and hydraulic system pressure has
been relieved. Tighten all connections before applying pressure.
Escaping hydraulic fluid under pressure can penetrate skin.
At operating temperature, hydraulic oil is hot. Allow hydraulic oil to cool
before removing any hydraulic fitting.
Wear protective eye covering and gloves.
Lubricating/hydraulic oils used in performance of maintenance can be
very slippery. Immediately wipe up any spills.
Failure to follow these warnings may result in injury or death to
personnel.
NOTE
Cap or plug all hydraulic hose ends and fittings during removal.
Tag and mark hydraulic hoses and fittings and note hose routing to aid
installation.
Use container to catch any fluid that may drain from hydraulic system.
Dispose of fluid IAW local policy and ordinances. Ensure all spills are
cleaned up.
Test Step 6. Inspect Hydraulic
Hoses.
1. Disconnect jumper wire between
terminal 1 and terminal 4 of
connector C-C43 (WP 0012,
Figure 212).
2. Connect connector S-2 (WP 0012,
Figure 216) to quick coupler
3. Connect connector C-C43
(WP 0012, Figure 212) to coupler
switch (WP 0012, Figure 213).
4. Turn battery disconnect switch to
ON position and start engine
(TM 5-3805-298-10).
0152-4