Pump Installation - Graco T-Max 506 Operation - Repair - Parts

Repair

Pump Installation

1. Push piston rod out of pump 50 to 70 mm
(2 to 2.8 in.).
2. Screw retaining nut onto pump until it
stops. Screw pump into bearing housing
until pump stops. Unscrew pump until
pump outlet is 13° from horizontal,
but no more than one turn.
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3. Tighten retaining nut.
If pump pin loosens, parts may break off
due to force of pumping action. Parts may
project through the air and result in serious
injury or property damage. Make sure
pump pin and retaining spring are properly
installed.
4. Push retaining spring up with a
screwdriver toward motor. Push in pump
pin. Push retaining spring down over
pump pin.
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