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Operation
3A0235G 13
Operation
Startup
1. See Load fluid with feed pumps in system opera-
tion manual.
2. Open feed pump air regulator.
3. Open feed pump bleed-type master air valve.
4. Adjust air to feed pump with needle valve.
NOTE:
• Cold, viscous material may be difficult to prime.
Use needle valve to reduce air flow to motor.
• Do not plug or shut off pump fluid outlet when
priming. Fluid must be free to flow through
pump to prime.
• To increase pump flow rate and reduce icing,
remove pump muffler. This will increase exhaust
noise.
5. Never let pump run when drum is empty. A dry
pump can accelerate and damage itself. If pump is
running too fast, stop it immediately. Check and refill
fluid supply, or flush with compatible solvent. Always
prime entire system to remove any air. Do not let
material harden in pump.
Shutdown
See Shutdown and Pressure Relief Procedure in system
operation manual. Close feed pump bleed-type master
air valve.
Changing Drums
1. See Shutdown above.
2. Remove riser tube from drum. Install in new drum,
page 8.
3. Lubricate bung o-ring, page 8.
4. See Load fluid with feed pumps in GMS operation
manual.
Maintenance
NOTE:
See supplied pump manual for maintenance, repair, and
parts information.
Lubricate bung o-ring (309) with 217374 ISO Pump Oil
each time you change drums. This keeps air and mois-
ture from reacting with ISO.
Whenever pump is removed from drum, inspect bung
o-ring (309) and gasket (303) in place. If either is worn
or damaged, or if ISO shows signs of crystallization,
replace. See page 22.
Tighten pump clamps and external fasteners periodi-
cally. See pump manual.
Repair
See supplied pump manual for maintenance, trouble-
shooting, and repair procedures.
NOTICE
To prevent cross-contamination of fluid when chang-
ing drums, complete changing one component
before changing second component.