Open The Freewheeling Valve; Release The Brakes Manually - Skyjack SJ3215 Operation Manual

Section 6 – Procedures
6.2 Open the freewheeling
valve
1. Make sure that the MEWP is on firm, level
ground.
2. Put wheel chocks or blocks at the front of the
wheels and behind them to prevent MEWP
movement.
3. Turn the freewheeling valve knob
counterclockwise to a fully open position.
Figure 11 Freewheeling valve at the front of the base
(SJ3215, and SJ3219)
Figure 12 Freewheeling valve at the rear side of the
base (SJ3220, SJ3226, SJ4726, SJ4732, and SJ4740)
216380ACA
60
IMPORTANT
Make sure you tightly close the freewheeling valve,
before you operate the MEWP .
6.3 Release the brakes
1
Do not manually disengage the brakes if the
MEWP is on a slope. If you do not obey, there is a
risk of death or serious injury.
1. Make sure that the MEWP is on firm, level
2. Use wheel chocks or blocks at the front and rear
3. Turn the main power disconnect switch to the
4. Open the freewheeling valve. Refer to
5. For pin brakes (SJ3215, SJ3219, SJ3220,
1
1
manually
WARNING
ground.
of the wheels to prevent MEWP movement.
off position.
Section 6.2.
SJ3226, SJ4726, SJ4732):
a. Turn the left pin brake block 90° clockwise
with a 19 mm (3/4 in) wrench to release it. The
brake pin must not touch the brake disc.
b. Turn the right pin brake block 90°
counterclockwise with a 19 mm (3/4 in)
wrench to release it. The brake pin must not
touch the brake disc.
Figure 13 Brake release block (pin brakes)
SJ3215, SJ3219, SJ3220, SJ3226, SJ4726, SJ4732, SJ4740

Open the freewheeling valve