Published 3-30-2018, CTRL 636-05 6-29
CD15 OPERATOR MANUAL MAINTENANCE
b. Remove and properly discard the filter element.
c. Clean the filter bowl and the mounting surface on
the filter.
d. Make sure the seal in the filter head and on the new
element are not damaged.
e. Apply a small amount of clean hydraulic oil to the
seals.
f. Install the new filter element on the filter head.
g. Install and tighten the filter bowl to 40 ft-lbs (54 Nm).
h. Start the engine and check for leaks around the
filter.
Check Swing Gear/Pinion Backlash
1. Remove the cover to expose the swing pinion and ring
gear.
Rotating gears can cause injury. Keep hands clear of
rotating pinion and gear while the mast is rotating.
Start the engine and rotate the mast until the high point on
the swing gear is in alignment with the pinion. The high point
is punch-marked on the mast plate (Figure 6-39).
2. Using a feeler gauge, check the backlash between the
gear and pinion. There should be no clearance between
the swing gear tooth and the pinion tooth. If there is any
clearance, adjust the backlash as instructed in the CD15
Service Manual.
2000 Hours of Operation (Yearly)
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 Engine Coolant
1. Open the engine compartment cover.
2. BE SURE THE ENGINE IS COOL and follow the cooling
system draining and filling procedures in the engine
manual furnished with the crane.
See Figure 6-40 for the location of the vent and drain
petcocks.
3. After the coolant is replaced, close the engine
compartment cover.
Swing Gear Backlash Check
FIGURE 6-39
Swing
Pinion
Cover
8942-2
High Point Punch Marks
WARNING
HOT COOLANT
can scald.
1100259
Check and service
cooling system
only when cool.
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