TM 5-3805-290-10
OPERATION UNDER USUAL CONDITIONS - CONTINUED
0005 00
QUICK COUPLER OPERATION - CONTINUED
g.
Press bottom of quick coupler control switch, to engage (lock) quick coupler pins into retainer holes of work tool.
N OT E
While seated inside cab, operator can visually check that quick coupler pins are engaged into work tool.
h.
To check for correct engagement of quick coupler to work tool, perform the following steps:
(1)
Tilt work tool downward onto ground and apply slight downward pressure.
(2)
Slowly back up machine.
(3)
If there is movement between work tool and quick coupler pins, engagement is not complete. Disengage
and repeat procedure.
i.
Shut down engine.
j.
Engage parking brake.
WARN I N G
DO NOT disconnect or remove any hydraulic system line or fitting unless engine is shut down and hydrau-
lic system pressure has been relieved. Tighten all connections before applying pressure. Escaping hydraulic
fluid under pressure can penetrate the skin, causing injury or death to personnel.
k.
Relieve hydraulic system pressure. Refer to
Relieving Hydraulic System Pressure earlier in
this work package.
l.
Rotate coupling to align and disconnect quick
disconnects.
m.
If necessary, remove protective caps from quick
disconnect fittings on quick coupler and MP
bucket.
427-B0552
0005 00-13
