Genie S-40 Service Manual page 77

Section 3 • Scheduled Maintenance Procedures
CHECKLIST D PROCEDURES
5 Manually rotate each non-steer wheel.
Result: Each non-steer wheel should rotate with
minimum effort.
6 Re-engage the drive hubs by turning over
the hub disconnect caps. Rotate each wheel to
check for engagement. Lift the machine and
remove the jack stands.
Collision hazard. Failure to
re-engage the drive hubs may
cause death or serious injury and
property damage.
Steer Wheels: 4WD Models
7 Chock the non-steer wheels to prevent the
machine from rolling.
8 Center a lifting jack of ample capacity
(20,000 lbs / 10,000 kg) under the drive chassis
between the steer tires.
9 Lift the wheels off the ground and then place
jack stands under the drive chassis for support.
10 Disengage the drive hubs by turning over the
drive hub disconnect caps on each
steer wheel hub.
11 Manually rotate each steer wheel.
Result: Each steer wheel should rotate with
minimum effort.
12 Re-engage the drive hubs by turning over
the hub disconnect caps. Rotate each wheel to
check for engagement. Raise the machine and
remove the jack stands.
Collision hazard. Failure to
re-engage the drive hubs may
cause death or serious injury and
property damage.
3 - 44
All Models:
13 Be sure the free-wheel valve on the drive pump
is closed (clockwise).
Note: The free-wheel valve is located on the
bottom of the drive pump.
Note: The free-wheel valve should always remain
closed.
a
S-40 • S-45
October 2013
a drive pump
b screwdriver
c lift pump
d free-wheel valve
Part No. 102521
b
c
d