OPERATION UNDER USUAL CONDITIONS - CONTINUED
QUICK COUPLER OPERATION - CONTINUED
Drive machine slowly forward. Steer machine to
align quick coupler with hooks on work tool.
Slightly raise quick coupler, until quick coupler
contacts hooks on work tool and work tool is
lifted up slightly. Ensure work tool is level from
side to side.
Tilt quick coupler all the way back to allow work
tool lower attaching points to rest against quick
Press bottom of quick coupler control switch to
engage (lock) quick coupler pins into retainer
holes of work tool.
To check for correct engagement of quick cou-
pler to work tool, perform the following steps:
Tilt work tool forward onto ground and
apply slight downward pressure.
Slowly back up machine.
If there is movement between work tool
and quick coupler, then locking pins are
not engaged. Retract pins and repeat pro-
WARN I N G
DO NOT disconnect or remove any
hydraulic system line or fitting unless
engine is shut down and hydraulic sys-
tem pressure has been relieved. Tighten
all connections before applying pres-
sure. Escaping hydraulic fluid under
pressure can penetrate the skin, causing
injury or death to personnel.
If engaging quick coupler to rotary sweeper or
forklift, relieve hydraulic system pressure. Refer
to Relieving Hydraulic System Pressure earlier in
this work package.
Remove protective caps from two quick discon-
nect fittings on quick coupler.
Remove two protective plugs from quick discon-
nect fittings of sweeper, or two protective caps
Fasten caps together.