132
SJ6826RT, SJ6832RT
213560ABA
Section 5 – Procedures General
5.2-2 Release the Free-Wheeling Valve
▪ Make sure that the aerial platform is on level
ground. Chock or block the wheels to keep
aerial platform from rolling.
Figure 01 Free-Wheeling Valve
▪ Turn the free-wheeling valve knob
1
counterclockwise to a fully open position to
provide free-wheeling This allows hydraulic oil
to ow freely through the wheel motors.
WARNING
The free-wheeling valve must be closed tightly
(clockwise) for normal operation.
5.2-3 To Release the Parking Brakes
Manually
WARNING
Do not manually disengage the parking brakes if
the aerial platform is on a slope.
Figure 02 Disc Brakes System
Parking Brakes – The brakes must be manually
disengaged for pushing, towing or winching.
1. Make sure that the aerial platform is on level
ground. Chock or block the wheels to keep
aerial platform from rolling.
2. Turn main power disconnect switch to off
position.
3. Locate brake hand pump and brake auto reset
valve at main manifold in hydraulic/fuel cabinet.
4. Push in brake auto reset valve
2
.
5. Grasp the red hand pump
3
and rapidly
depress until rm resistance is felt. The brakes
are now released.
6. Remove the wheel chocks or blocks, then push,
tow or winch the aerial platform to the desired
location.
WARNING
The parking brake MUST be re-engaged
immediately after reaching the desired location.
7. Position the machine on a rm and level surface.
8. Chock or block the wheels to prevent the aerial
platform from rolling.
9. Re-engage the parking brakes by pulling out the
black brake valve plunger.
1
2
3
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