April 2006
SKYJACK, Page 20
Section 2 - Operation Component Identification
SJ800 - E Series
Battery Powered
2.2-11 Folding Guardrail System
When folded down, the folding guarrail system reduces
the retracted height of the aerial platform for
transporting only.
Figure 2-9. Fold-Down Guardrail System
1. Guardrail Locking Pin with Lanyard - To fold
the guardrail system down, remove the locking
pin at each pivot point and lower each guardrail.
To raise the guardrail system, swing up each
guardrail and lock in place with the locking pins
ensuring that the detent ball of each pin is all the
way through and clear of the side of the pivot
brackets (Figure 2-9).
The scissor assembly must be fully lowered
before raising or lowering the guardrails.
Warning
Before operating this aerial platform
check the guardrail system for loose or missing
locking pins. The guardrail system must be upright
and all pins must be locked in place.
Death or serious injury could result if the guardrail
system is not upright or properly locked.
Warning
2.2-12 Emergency Lowering System
The emergency lowering system allows platform
lowering in the event of an emergency or an electrical
system failure. Refer to Section 2.8 for the emergency
lowering procedure. The system contains the following
controls:
Figure 2-10. Emergency Lowering System
1. Emergency Lowering Valve - Located ouside the
hydraulic/electric cabinet next to the base controls.
2. Holding Valve Manual Override Knob - Located
on the holding valve at the bottom of each lift
cylinder.
3. Access Rod - Located at the scissor guard at
the back of the machine.
2
1
3
DETENT BALL
CLEAR OF SIDE
OF PIVOT BRACKET
Correct Position of Locking Pin
1
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