Skyjack SJIII 6826E, Руководство по эксплуатации

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SECTION 2, Page 19
May 2002
SJIII Series E - The CONVENTIONALS
118931AH
Emergency Lowering System
Figure 2-11. Emergency Lowering System
Emergency Lowering Valve and Holding Valve
Manual Override Knob
This system allows platform lowering in the event of
an electrical system failure. Use the following proce-
dure to lower the platform:
1. Depress and turn each red manual override
knob (Item 2) (located at the base of each lift
cylinder) counterclockwise. Override knobs on
the upper cylinders of multiple cylinder
machines can be reached with the access rod
(Item 3) stored on top of the base.
2. Pull the Emergency Lowering Valve (Item 1) out
to lower the platform.
3. Turn each red manual override knob (Item 2)
clockwise to restore normal operation.
10. To Extend/Retract the Manual Extension
Platform: Remove the locking pin(s) and push/
pull the extension deck using the sliding
handrails or push-bar (Models 68XX). Reinsert
the locking pin(s) upon full retraction or
extension to prevent accidental movement of the
extension platform.
11. To Extend/Retract the Powered Extension
Platform: To extend the platform, select “LIFT”
position with the Lift/Off/Drive Select Switch on
the main platform control box. Then, from the
extension platform control box, activate the
“Enable” switch while toggling the extend/retract
switch to “
× ×
× ×
×
” (extend) position until desired
extension is reached. Release the switch to stop.
To retract the platform, select “LIFT” position with
the Lift/Off/Drive Select Switch on the main
platform control box. Then, from the extension
platform control box, activate the “Enable” switch
while toggling the extend/retract switch to “
Ø Ø
Ø Ø
Ø
”
(retract) position until desired retraction is
reached. Release the switch to stop.
Note
All models are drivable with any extension platform
extended 3 feet or less. An interlock limit switch cuts
out drive when the platform is extended beyond 3
feet.
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