Maintenance
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313873J
Maintenance
Check all sub-component manuals for maintenance
schedule and procedures.
Change Hydraulic Oil and Filter
Change break-in oil in a new unit after the first 250
hours of operation or within 3 months, whichever comes
first. After initial break-in, see the following table for rec-
ommended oil and filter change schedule.
Table 2: Frequency of Oil Changes
Check Hydraulic Fluid Level
Check hydraulic fluid level on dipstick (A). Fluid level
must be between indent marks (B) on dipstick. Refill as
required with approved hydraulic fluid; see
on page 86. If fluid is dark in color, change fluid
and filter.
Task
Schedule
Replace hydraulic oil and filter
See table
Inspect fluid lines for leaks and
signs of wear
Daily
Check wet cup fluid level, add
IsoGuard Select fluid as neces-
sary
Weekly
Check hydraulic fluid level
Weekly
Verify operation of tank air drying
system to prevent isocyanate
crystallization
Weekly
Verify vent holes on bottom of
hydraulic power pack shroud are
clear and unobstructed
Weekly
(more often in
dusty environ-
ments)
Check all fittings and connec-
tions, tighten as necessary
As necessary
Use compressed air to remove
dust buildup on control boards,
fan, motor (under shield), hydrau-
lic oil coolers, and component
heat sink fins
Monthly
Ambient
Temperature
Recommended
Frequency
0 to 90°F
(-17 to 32°C)
1000 hours or 12 months,
whichever comes first
90°F and above
(32°C and above)
500 hours or 6 months,
whichever comes first
S
A
ti7861a1
B
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