Snorkel MX19-sn20000-20599ANSI - Manual (Page 8)

Page 6 060570-008 MX15 / MX19 - Operator Manual
System Function Inspection
S YSTEM F UNCTION I NSPECTION
Refer to Figure 2 for the locations of various controls and indicators.
W A R N I N G ! !
STAND CLEAR of the machine while performing the following checks.
Before operating the machine, survey the work area for surface hazards such as holes, drop-offs, bumps,
curbs, or debris.
LOOK up, down and around for overhead obstructions and electrical conductors.
Protect the control cable from possible damage while performing checks.
1. Move the machine, if necessary, to an unobstructed area to allow for full elevation.
2. Pull Chassis Emergency Stop Switch to the ON position.
3. Pull Platform Emergency Stop Switch to the ON position.
4. Turn and hold the Chassis Key Switch to CHASSIS.
5. Check Level Sensor operation:
Figure 4: Level Sensor Location
a. Open the door.
b. Push and hold the sensor off of level.
c. Push the Chassis Lift Switch to the UP position.
• The alarm should sound, and the platform should
not lift.
d. Close and latch the door.
6. Push the Chassis Lift/Lower Switch to the UP position
and raise the platform approximately 2,1 m (7 feet).
BLOCK THE ELEVATING ASSEMBLY AS DESCRIBED
ON page 11.
7. Visually inspect the elevating assembly, lift cylinder,
cables, and hoses for cracked welds and structural damage, loose hardware, hydraulic leaks, loose wire
connections, and erratic operation. Check for missing or loose parts.
8. Verify that the Depression Mechanism Supports have rotated into position under the machine.
REMOVE THE SCISSOR BRACE AS DESCRIBED ON page 11.
9. Push the Chassis Lift/Lower Switch to the UP position and fully elevate the platform. Partially lower the
platform by pushing Chassis Lift/Lower Switch to LOWER, and check for proper operation of the audible
lowering alarm.
10. Open the Emergency Lowering Valve (see Figure 3) by pulling the knob out to check for proper opera-
tion. When the platform is lowered, release the knob.
11. Push the Chassis Emergency Stop Switch to check for proper operation. All machine functions should
be disabled. Pull out the Chassis Emergency Stop Switch to resume.
12. Turn the Chassis Key Switch to DECK.
13. Check that route is clear of obstacles (persons, obstructions, holes, and drop-offs, bumps and debris),
is level, and is capable of supporting the wheel loads.
14. Mount the platform and properly close the entrance.
15. Turn the Drive/Lift Switch to DRIVE. While engaging the Interlock Switch, move the Control Handle to
FORWARD, then REVERSE, to check for speed control.
16. Push the Steering Switch RIGHT, then LEFT, to check for steering control.
17. Turn the Drive/Lift Switch to LIFT. Grasp the Control Handle, engaging the Interlock Switch, and push it
forward to check platform lift controls. Raise the platform to full elevation.
18. Pull back on the Control Handle. The platform should descend and the audible lowering alarm should
sound.
19. Push the Platform Emergency Stop Switch to check for proper operation. All machine functions should
be disabled. Pull out the Platform Emergency Stop Switch to resume.
Level Sensor