System Function Inspection - Upright SL30SL Service & Parts Manual

Section
M
2.10

System Function Inspection

W A R N I N G
!
STAND CLEAR of the work platform while per-
forming the following checks.
Before operating the work platform, survey the
work area for surface hazards such as holes,
drop-offs, bumps and debris.
Check in ALL directions, including above the
work platform, for obstructions and electrical
conductors.
Protect control console cable from possible
damage while performing checks.
1. Unhook Controller from front guardrail. Firmly
grasp Controller hanger in such a manner that
the Interlock Lever can be depressed, while per-
forming the following checks from the ground.
2. Turn the Emergency Stop Button clockwise or
pull up to the ON position.
3. Turn Controller Key Switch fully clockwise to start
the engine, releasing the key once the engine
starts.
Note: If the engine is cold, depress the glow plug
button for 6 seconds prior to starting to engage
the glow plugs.
4. Position Drive/Lift Switch to DRIVE position.
5. With the Speed Range Switch first in HIGH
TORQUE, and then in HIGH SPEED, depress the
Interlock Lever and slowly push the Control Lever
to FORWARD, and then REVERSE positions to
check for speed and directional control. The far-
ther you push or pull the Control Lever, the faster
the machine will travel.
6. Push Steering Switch RIGHT, then LEFT to
check for steering control.
7. Position Level/Drive/Lift Switch to LEVEL. Actu-
ate the fore/aft and side/side switches to verify
that they are functioning properly. Use the side/
side switch and tilt the platform to one side.
2-8
P
ACHINE REPARATION
8. Rehook controller on front guardrail.
W A R N I N G
!
!
LOOK up and around for obstructions prior to
operating the lift function.
DO NOT operate the work platform within 10
feet of any electrical power lines. THIS
MACHINE IS NOT INSULATED.
DO NOT elevate the platform unless the work
platform is on firm, level ground.
DO NOT enter the elevating assembly while the
platform is elevated.
9. Push Chassis Lift Switch to UP position and ele-
vate platform. The platform should only elevate to
the interlock height, about 2.44 m (8 ft.) above the
ground, and the tilt alarm should sound. If the
platform continues to elevate and/or there is no
alarm, STOP and remove the machine from ser-
vice until it is repaired.
10. Lower the platform with the chassis lift switch.
11. Enter the platform. Using the bubble level as a
guide, level the platform with the side/side and
fore/aft switches. Dismount platform.
12. Fully elevate platform using chassis lift switch.
13. Visually inspect the elevating assembly, lift cylin-
der, cables and hoses for damage or erratic oper-
ation. Check for missing or loose parts.
14. Lower the platform partially by pushing Chassis
Lift Switch to DOWN, and check operation of the
audible lowering alarm.
15. Open the Chassis Emergency Lowering Valve,
push in and turn counterclockwise, to check for
proper operation. Once the platform is fully low-
ered, close the valve, push in and turn clockwise
until the detent engages.
16. Close and secure module covers.
17. Turn the controller key switch counterclockwise to
OFF and push the emergency stop switch button
to OFF.
& O
PERATION
SL26/30SL Work Platform
!