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PAGE 22 — MLT25 SERIES LIGHT TOWER • OPERATION MANUAL — REV. #0 (11/28/12)
MAINTENANCE
GENERAL INSPECTION
Prior to each use, the light tower should be cleaned and
inspected. Check for loose, missing, or damaged nuts, bolts
or other fasteners.
GENERATOR/ENGINE MAINTENANCE
Refer to the accompanying DCA25SSIU3 Operator and
Parts Manual (Part Number 49810) for information on how
to maintain the generator and engine.
CHECK CABLE WEAR
The wire rope (cable) that raises and extends the mast is
a very important part of the light tower. There is one cable/
hand winch system, located on the tongue of the trailer, that
raises and extends the light tower mast. There is a second
cable/hand winch system located on the mast that serves to
raise and lower the two extendable sections of the mast.
DANGER
Wire rope (cable) will fail if it is worn, frayed, misused,
crushed, kinked or damaged in any way. Always check
the cables and pulleys for any abnormalities before use.
Do not use it if there is even the slightest cause for
concern and replace any damaged cables or pulleys
immediately.
SERVICING THE MAST RAISE/LOWER CABLE
SYSTEM
To replace any components in the mast raise/lower cable
system, use the following steps (See Figure 12):
Figure 12. Mast Raise/Lower Cable System
1. Lower the mast to the horizontal resting position.
2. Inspect the cable clamps, pulleys, and other components
for worn or damaged parts.
3. Disconnect the cable from the ball socket pin and
remove from the mast pulley and cable sheave. Detach
the cable from the hand winch as necessary.
4. Replace the pulley and the cable as needed.
5. Rethread the cable through the pulley and reattach the
cable to the ball socket pin.
6. Raise and lower the mast several times to verify correct
operation.
HAND WINCH
MAST
PULLEY
CABLE SHEAVE
CABLE