Snorkel TL39T - Manual (Page 38)

page 6-4 Rev C
Figure 6.5 - Upper Control Box Controls
2. Choke/Cold Start: Hold the switch DOWN
while you start an engine that is at ambient air
temperature (a “cold” engine). This will choke
the engine.
3. Start: Press and hold this switch DOWN to
operate the starter mo tor for the MHPAT.
4. Boom Speed: This control determines how
fast the booms move. Set it to SLOW (turtle)
until you are very familiar with the way the
machine works or if the platform is working in
dangerous or cramped surroundings.
1. Emer gency Lower Controls: If the engine
stops and can not be restarted, or some
other emergency prevents the platform
being lowered in the normal way, operate
the EMERGENCY LOWER switch and the
ENABLE switch together and this will cause
the upper and lower booms to descend.
To slew during the emergency lower operate
the EMERGENCY LOWER, ENABLE, UPPER
or LOWER BOOM UP, and SLEW switches
together.
To tele in during the emergency lower operate
the EMERGENCY LOWER, ENABLE, UPPER
or LOWER BOOM UP, and TELE switches
together.
See Chapter 9 “Emergency Operation” for details of
emergency lowering procedures from the platform.
Items 6 through 10 are the platform moving
switches. Each is a three position, momentary
contact, normally OFF switch.
6. Lower Boom: UP raises the lower boom.
DOWN lowers the lower boom.
7. Upper Boom: UP raises the upper boom.
DOWN lowers the upper boom.
8. Tele Boom: LEFT retracts the telescoping
boom. RIGHT extends the telescoping boom.
9. Level basket: LEFT tilts the basket forwards,
RIGHT tilts the basket backwards.
10. Slew: LEFT rotates the entire turntable and
boom to the left. RIGHT rotates the entire
turntable and boom to the right.
11. Enable: The enable switch must be pressed
DOWN in conjunction with the boom/platform
moving function you select. The purpose of
this switch is to prevent the platform/booms
from moving if something or someone
accidentally pushes one of the boom/platform
moving controls. The boom/platform moving
switches will not operate unless the enable
switch is held down at the same time.
12. Enable Foot Switch (Option): The foot switch
performs the same function as the standard
enable switch described above. Stepping
on the foot switch is an action that must be
performed, at the same time as one of the
boom/platform moving switches is operated.
Figure 6.6 - Upper Controls - Foot Switch
Note:
If you have the optional ‘foot switch’ fitted this is an
“and” option and the Enable switchs on the Lower &
Upper Control Boxes will still function.
13. Lift Enable Indicator: The platform can only
be raised when this light is lit. When this light
is not lit the platform will not raise because the
outriggers are not properly set.
14. Fuel / Electric Selector Switch (Option):
This switch (when fitted) allows switching
between different motive sources (see Options
Chapter).
15. OverloadIndicator(Option): This indicator
(when fitted) illuminates when the platform is
over loaded (see Op tions Chapter).
6. Controls