Graco GX21 Cordless Operation, Parts page 34

Maintenance
3. Clean any debris and dried paint from
the cavity and replace the ball and
spring. Tighten inlet valve to pump
using integrated tool on the frame.
Pump Installation
1. Slide pump assembly onto the mounting
pins.
2. Move pump displacement rod up or
down until cap is level with the opening
in the yoke.
34
3. Swing easy access door pump door
closed while pushing the entire door
towards the inlet end of the pump.
1
2
3
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NOTE: Door must be fully closed and
latched before sprayer will operate.
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3A8429A