Upright SL20 Operator's Manual page 3

Introduction
This manual covers the SL20 Work Platforms. This
manual must be stored on the machine at all
times.
Pre-Operation and Safety
Inspection
Read, understand and follow all safety rules and
operating instructions and then 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
on the dipstick. Add ISO #46 hydraulic oil if
necessary.
3. Check that fluid level in the batteries is correct
(See Battery Maintenance, page 6).
4. Verify batteries are charged.
5. Check that AC extension cord has been discon-
nected 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
and tyre damage.
8. Move machine, if necessary, to unobstructed
area to allow for full elevation.
9. Pull out on chassis and platform emergency
stop switches to turn ON (Figure 1 or 2).
10. Turn the Chassis Key Switch (Figure 1) to
CHASSIS.
11. Push chassis lift switch (Figure 1) to LIFT
position and fully elevate platform.
12. Visually inspect the elevating assembly, lift
cylinder, cables and hoses for damage or erratic
operation. Check for missing or loose parts.
Emergency Lowering Valve
Emergency
Stop Switch
Chassis Lift
Switch
Chassis Key Switch
Figure 1: Chassis Control Module
13. Partially lower the platform by pushing chassis
lift switch to LOWER, and check operation of
the audible lowering alarm.
14. Pull out on the chassis emergency lowering
valve (Figure 1) to check for proper operation.
Once the platform is fully lowered, close the
valve by releasing the knob.
15. Turn the chassis key switch (Figure 1) to DECK.
16. Close and secure module covers.
17. Check that route is clear of persons, obstruc-
tions, holes and drop-offs, level and capable of
supporting the wheel loads.
18. After mounting platform latch gate across
entrance.
19. Pull emergency stop button out to the ON
position.
20. Position drive/lift switch to DRIVE.
21. While depressing the interlock lever, slowly
position the control lever to FORWARD then
REVERSE to check for speed and directional
control. The farther you push or pull the con-
trol lever from centre the faster the machine
will travel.
22. Push steering switch RIGHT then LEFT to
check for steering control.
23. Push the emergency stop switch button.
24. With only one emergency stop button pushed
down, in the OFF position, operate a control to
verify that the emergency stop switch is func-
tioning. Repeat the test with only the other
emergency stop switch button OFF. If any
function operates with either emergency stop
switch in the OFF position STOP and remove
the machine from service until it is repaired.
Control Lever
Hydraulic Tank
Emergency Stop Switch
Cap/Dipstick
3
Interlock Lever
Figure 2: Controller
Steering
Switch
Drive/Lift
Switch