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 fluid inlet strainer
screens, page 73
Inspect IsoGuard Select
level and condition, refill or
replace as needed, page 74
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
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
Clean dispense valve mix cham-
ber ports regularly, see dispense
valve manual
Clean dispense valve check valve
screens, see dispense valve
manual
68
Schedule
After first 250
hours of opera-
tion or within 3
months, which-
ever comes first
Daily
Daily
™ Daily
fluid
Weekly
Weekly
Weekly
Weekly
Monthly
As needed
See dispense
valve manual
See dispense
valve manual
Change Break-in Oil
After initial break-in, see Table 5 for recommended fre-
quency of oil changes.
Table 2: Frequency of Oil Changes
Ambient
Temperature
0 to 90°F
(-17 to 32°C)
90°F and above
(32°C and above)
Grease Circulation Valves With Fusion
Grease (117773)
Check Hydraulic Fluid Level
Check hydraulic fluid level on dipstick (DS). Fluid level
must be between indent marks (IM) on dipstick. Refill as
required with approved hydraulic fluid; see Technical
Data on page 93. If fluid is dark in color, change fluid
and filter.
DS
24C352_313998_1e
Recommended
Frequency
1000 hours or 12 months,
whichever comes first
500 hours or 6 months,
whichever comes first
ti9879a1
S
ti7861a1
313997A
IM