Maintenance - Graco VRM 24F872 Instructions Manual

Maintenance

Maintenance
Check all sub-component manuals for maintenance
schedule and procedures.
Task
Replace hydraulic oil and filter
Inspect fluid lines for leaks and
signs of wear
Check wet cup fluid level, add
IsoGuard Select fluid as neces-
sary
Check hydraulic fluid level
Verify operation of tank air drying
system to prevent isocyanate
crystallization
Verify vent holes on bottom of
hydraulic power pack shroud are
clear and unobstructed
Check all fittings and connec-
tions, tighten 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
46
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.
Schedule
Ambient
Temperature
See table
0 to 90°F
Daily
(-17 to 32°C)
90°F and above
Weekly
(32°C and above)
Check Hydraulic Fluid Level
Weekly
Check hydraulic fluid level on dipstick (A). Fluid level
Weekly
must be between indent marks (B) on dipstick. Refill as
required with approved hydraulic fluid; see Technical
Data on page 86. If fluid is dark in color, change fluid
and filter.
Weekly
(more often in
dusty environ-
ments)
As necessary
A
Monthly
Table 2: Frequency of Oil Changes
Recommended
Frequency
1000 hours or 12 months,
whichever comes first
500 hours or 6 months,
whichever comes first
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