Graco H25, H50, H40 Maintenance, Frequency of Oil Changes Ambient Recommended Temperature

Maintenance

•Inspect hydraulic and fluid lines for leaks daily.

•Clean up all hydraulic leaks; identify and repair cause of leak.

•Inspect fluid inlet strainer screens daily, see below.

•Grease circulation valves weekly with Fusion grease (117773).

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•Inspect ISO lubricant level and condition daily, see page 46. Refill or replace as needed.

•Check hydraulic fluid level weekly. 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 49 and the Approved Anti-Wear (AW) Hydraulic Oils table in the Reactor Repair-Parts manual 312063. If fluid is dark in color, change fluid and filter.

Maintenance

•Change break-in oil in a new unit after first 250 hours of operation or within 3 months, whichever comes first. See Table 4 for rec- ommended frequency of oil changes

Table 4: Frequency of Oil Changes

Ambient	Recommended
Temperature	Frequency
0 to 90°F	1000 hours or 12
(-17 to 32°C)	months, whichever
	comes first
90°F and above	500 hours or 6 months,
(32°C and above)	whichever comes first

•Keep component A from exposure to mois- ture in atmosphere, to prevent crystalliza- tion.

•Clean gun mix chamber ports regularly. See gun manual.

•Clean gun check valve screens regularly. See gun manual.

•Use compressed air to prevent dust buildup on control boards, fan, motor (under shield), and hydraulic oil coolers.

•Keep vent holes on bottom of electrical cabinet open.

DS

IM

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44 312062W