Graco 206405 Instructions And Parts List page 17

15:1 pumps for pumping petroleum–based undercoating material, 2700 psi (18.6 mpa, 186 bar) maximum working pressure, 180 psi (1.2 ma, 12 bar) maximum air input pressure
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Displacement Pump Service
NOTE: If the pressure-fit brass bearing (15*) needs to
be replaced, clamp it in a vise and drive the piston
body (13) out with a plastic hammer. The new bearing
must be started onto the piston body squarely.
8. Clean and inspect the parts and replace any that
are worn or damaged. Be sure to check the copper
gasket (46) in the motor base (55). Lubricate the
parts with a light waterproof grease.
9. Install the seal (16*), packing (17*), bearing (18*),
gasket (6*), seat (19*) and ball (2*) on the piston
body (13). The check ball seat (19*) may be re-
versed to provide a new seat. Screw the piston
body (13) into the piston coupling (14).
10. Install the gasket (7*[). Screw the riser tube (12)
into the air motor base (55).
11. Reinstall the ball (3*), gasket (7), ball stop (21) and
other gasket (7) in the intake valve housing (22).
Screw the housing onto the riser tube (12).
12. Be sure the ground wire is connected before
regular operation of the pump.
306531 17

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206700206699Series jFire-ball 300

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