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Maintenance
Do not open/remove gear cover. The gear side is not
intended to be serviced. Opening the gear cover may
alter the factory set bearing pre-load and may reduce
the product life.
Preventative Maintenance
Schedule
The operating conditions of your particular system
determine how often maintenance is required. Establish
a preventative maintenance schedule by recording
when and what kind of maintenance is needed, and
then determine a regular schedule for checking your
system.
Change the Oil
Only use oil with Graco part number 16W645. Any
other oil may not lubricate properly and can cause
damage to drive train.
NOTE: Change the oil after a break-in period of 200,000
to 300,000 cycles. After the break-in period, change the
oil once per year.
1. Place a minimum 2 quart (1.9 liter) container under
the oil drain port. Remove the oil drain plug. Allow
all oil to drain from the driver.
2. Reinstall the oil drain plug. Torque to 18-23 ft-lb
(25-30 N•m).
3. Open the fill cap (P) and add Graco Part 16W645
ISO 220 silicone-free synthetic EP gear oil. Check
the oil level in the sight glass (K). (See F
until the oil level is near the halfway point of the
sight glass. The oil capacity is approximately 1.0 -
1.2 quarts (0.9 - 1.1 liters). Do not overfill.
4. Reinstall the fill cap. See F
333208F
NOTICE
NOTICE
. 8.) Fill
IG
. 8.
IG
Daily Maintenance
NOTE: For overnight shutdown, stop pump at bottom of
its stroke to prevent fluid from drying on exposed
displacement rod and damaging throat packings.
Perform Pressure Relief Procedure, page 10.
1. Perform Flush procedure, page 11.
2. Relieve pressure. See Pressure Relief Procedure,
page 10.
3. Check packing nut (D) See F
packings and replace TSL as necessary. Torque to
25 ft-lb (34 N•m).
4. Check hoses, tubes, and couplings. Tighten all fluid
connections before each use.
Check Oil Level
See F
. 8. Check the oil level in sight glass (K). The oil
IG
level should be near the halfway point of the sight glass
when the sprayer is not running. If oil is low, open fill cap
(P) and add Graco Part No. 16W645 ISO 220
silicone-free synthetic EP gear oil.
P
F
. 8: Sight Glass and Oil Fill Cap
IG
The oil capacity is approximately 1.0 - 1.2 quarts
(0.9 - 1.1 liters). Do not overfill.
Only use oil with Graco part number 16W645. Any
other oil may not lubricate properly and can cause
damage to drive train.
Maintenance
. 1, page 5. Adjust
IG
K
NOTICE
13
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