TB 9-2320-279-13&P-4
0029
TUBE
TUBE
FITTING
FITTING
HOSE
HOSE
2900
2901
Figure 3.
1. Start engine (refer to TM 9-2320-279-10).
2. Set PTO ENGAGE switch to ON position. (WP 0015)
NOTE
All hydraulic tests must be performed with hydraulic oil reservoir at least warm to the touch and
at high idle.
Winch is bypassed for this test, and cable will not pay out or reel in.
When performing test, winch control valve must be fully engaged or test readings will be faulty.
Relief pressure is obtained when flow reading drops off and pressure reading on gauge does
not increase further.
3. Set heavy-duty winch control station HIGH IDLE ON/OFF switch to ON position. (WP 0015)
4. Have assistant operate heavy-duty winch IN manual control, while closing off load valve on hydraulic flow tester
until relief pressure is obtained. (WP 0015)
5. Note reading on pressure gauge.
6. Have assistant release winch control.
7. Set heavy-duty winch control station HIGH IDLE ON/OFF switch to OFF position. (WP 0015)