Maintenance
36 3A9019A EN
4. Perform a power flush. See Cleanup
with Power Flush Valve, page 27 and
Cleaning Fluid Compatibility, page 32
5. Inspect for leaks. If leaks occur, perform
Pressure Relief Procedure, page 15,
then tighten all fittings and repeat step 3.
Pump Repair
When pump packings wear, paint will begin
to leak down outside of pump. Purchase a
pump repair kit and install according to
instructions provided with kit, before your
next job. See ProXChange Pump Parts
List, page 46, or consult a Graco/MAGNUM
authorized retailer, distributor, or service
center.
Each time the pump kit is replaced, check
pump inlet and outlet valves for wear or
damage. Replace if worn or damaged.
Always replace inlet and outlet valves every
second time the pump kit is replaced.
Pump Removal
Remove airless hose, suction tube, and drain
tube. Always perform Pressure Relief
Procedure, page 15 before starting any
pump repairs.
1. Perform Pressure relief procedure, see
Pressure Relief Procedure, page 15.
1. Remove battery, see Battery
Installation and Removal, page 14.
2. Pull tabs on sides of the easy access
door towards you while pushing the
entire door up.
3. Now lift the door so that it swings out of
the way.
4. Slide pump assembly off the mounting
pins.
.
High-pressure spray is able to inject
toxins into the body and cause serious
bodily injury. Do not stop leaks with hand
or rag.
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