Maintenance - Graco HFR Setup And Operation

Maintenance

Maintenance
Task
Change break-in oil in a new unit
Inspect hydraulic and fluid lines
for leaks
Inspect IsoGuard Select
level and condition, refill or
replace as needed, page 48
Check hydraulic fluid level
Grease circulation valves with
®
Fusion grease (117773)
Verify operation of air drying sys-
tem to prevent isocyanate crystal-
lization
Verify vent holes on bottom of
electrical cabinet are clear and
unobstructed
Inspect HFR Powerpack air filter
(part 24H018), clean or replace
as necessary,
Use compressed air to remove
dust buildup on control boards,
fan, motor (under shield), and
hydraulic oil coolers
Clean up all hydraulic leaks; iden-
tify and repair cause of leak
Inspect the gun, fluid lines, trigger
switch cable and proximity switch
cable for wear or damage
Grease (117773 or 0553-6) the
gun
Clean and service the orifices
and filters
Check Accumulator Pre-Charge
46
Schedule
After first 250
hours of opera-
tion or within 3
months, which-
ever comes first
Daily
™ Weekly
fluid
Weekly
Weekly
Weekly
Weekly
Weekly
Monthly
As needed
Daily
Weekly or every
15,000 shots
As Needed
Monthly
Task
Check tightness of all clamps and
fittings
Check hoses for wear
Replace hydraulic filter
Grease (115982) high volume
refill valve, if equipped
Change hydraulic fluid
Replace IsoGuard Select filter
(125148)
Change IsoGuard Select fluid
Grease Circulation Valves With Fusion
Grease (117773)
Check Hydraulic Fluid Level
Check hydraulic fluid level on dipstick. Fluid level must
be between indent marks (IM) on dipstick. Refill as
required with approved hydraulic fluid; see Run Screen
Icons on page 53. If fluid is dark in color, change fluid
and filter.
Schedule
Weekly
Monthly
6 months
Monthly
Yearly
Monthly
Bi-Monthly
ti9879a1
IM
3A2797R