Upright SL20 Series, Service & Parts Manual

Page: 14 / 104

Page 2-2
Operation - 2.2 - Introduction
SL20
2.2 I
NTRODUCTION
This manual covers operation of the SL20 Work Platform.
2.3 P
RE
-O
PERATION
& S
AFETY
I
NSPECTION
(F
IGURES
1, 2,
AND
3)
NOTE:
Carefully read,
understand and follow all safety
rules and operating instructions.
Perform the following steps each
day before use.
1. Open module covers and inspect for damage, oil leaks or missing parts.
2. Check the level of the hydraulic oil with the platform fully lowered. Oil should be visible to full
line on tank. Add hydraulic fluid if necessary.
3. Check that fluid level in the batteries is correct (See Battery Maintenance).
4. Verify that batteries are charged.
5. Check that AC extension cord has been disconnected from charger.
6. Check that all guardrails are in place with fasteners properly tightened.
7. Carefully inspect the entire work platform for damage such as cracked welds or structural
members, loose or missing parts, oil leaks, damaged cables or hoses, loose connections,
or tire damage.
8. Move machine, if necessary, to unobstructed area to allow for full elevation.
9. Pull out chassis emergency stop switch ON.
10. Pull out platform emergency stop switch ON
Figure 2-1:
Chassis Controls
11. Turn and hold the Chassis Key
Switch to CHASSIS. Push
chassis lift switch to lift position
and fully elevate the platform.
12. Visually inspect the elevating
assembly, lift cylinder, cables
and hoses for damage or
erratic operation. Check for
missing or loose parts.
13. Verify that depression mecha-
nism supports have rotated
into position under each mod-
ule.
14. Turn and hold the Chassis Key
Switch to CHASSIS. Partially
lower the platform by pushing
chassis lift switch to LOWER,
and check operation of the
audible lowering alarm.
15. Pull out on the emergency low-
ering knob to check for proper operation. Once the platform is fully lowered, release the
knob.
Figure 2-2: Emergency Lowering Knob
16. Turn the chassis key switch to
PLATFORM.
17. Close and secure module covers.
18. Check that route is clear of obsta-
cles (persons, obstructions, holes
and drop-offs), is level, and is
capable of supporting the wheel
loads.
19. Mount the platform and latch the
gate across the entrance.
20. PLATFORM CONTROLS. Turn
the selector switch to drive. While
holding in the interlock switch,
move the handle to FORWARD,
then REVERSE, to check for
speed control.
Emergency Stop
Switch
Chassis Key
Switch
Lift/Lower Switch
Emergency Lowering Knob