MAINTENANCE CD15 OPERATOR MANUAL
6-24 Published 3-30-2018, CTRL 636-05
1000 Hours of Operation (6 Months)
NOTE: You must read and understand the warnings and
basic safety rules, found in Section 2 of this
manual, before performing any operation or
maintenance procedures.
For additional engine maintenance guidelines, see the
engine manual furnished with this crane.
Replace the Transmission Oil and Filter — 4WD
NOTE: It is necessary to climb under the crane to drain the
transmission oil (Figure 6-31). Be sure the parking
brake is engaged, the engine is off, the ignition key
is removed, and chock blocks are in place before
climbing under the crane.
When the strainer (G) is loosened/removed, oil will
gush out. Keep to one side when you remove the
strainer.
Before removing the strainer, be sure you have a
new strainer gasket. The old strainer gasket will be
damaged during removal of the strainer, and if it is
installed with the strainer, leakage will occur. It is
recommended that three gaskets be kept in supply
at all times. This will cover a years maintenance
and one for emergency maintenance.
1. Place a suitable container under the strainer (G).
Remove the strainer and gasket and drain the oil into the
container. Discard the gasket.
2. Place the container under the drain plug (B), remove the
drain plug, and drain any oil left in the transmission into
the container.
3. Securely reinstall the drain plug (B).
4. Clean the strainer in a suitable solvent.
5. Install the cleaned strainer and new gasket. Tighten the
strainer mounting bolts to a torque of 7.4 lb-ft. (10 Nm).
6. Remove the transmission oil filter (E) by unscrewing it
from the filter housing. The filter is mounted remotely.
7. Properly discard the filter.
8. Coat the seal (F) of the new filter with clean transmission
oil.
9. Screw on the transmission filter until it touches the filter
head. Then, turn the filter another 3/4 of a turn minimum
to seat the seal.
FIGURE 6-31
8960
4-Wheel Drive Transmission
Engine Oil Drain
Plug (typical)
A Dipstick
B Drain Plug
C Gasket
D Bolt (qty 2)
E Filter
F Filter Seal
G Strainer
8959
2-Wheel Drive Transmission
Transmission Oil
Drain Plug
Transmission
Oil Filter
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