Replace The Air Motor; Reassemble The Center Section - Graco ChemSafe 515 Series Instructions - Parts Manual

Repair
7. Inspect each sleeve spool assembly (3) for worn
or damaged parts. Replace each assembly as
needed.
Replace the the Air Air Motor Motor
Replace Replace the Air Motor
1. Use pin wrench (43) to remove the air motor (2)
to remove from the body (1).
2. Inspect o-rings (33) & (34), and replace if
necessary.
3. Apply a thin film of lubricant to air motor o-rings
(34) & (33), and to the outside of the air motor (2),
and screw back into the body (1), small end first.
NOTE: Be careful not to clog air holes with
NOTE: NOTE:
lubricant.
NOTE: Use only the lubricant supplied with the
NOTE: NOTE:
rebuild kits.
20
Reassemble the the Center
Reassemble Reassemble the
1. Carefully lubricate the sleeve spool assembly
o-rings with a thin film of the appropriate lubricant.
NOTE: NOTE: Be careful not to clog air holes with NOTE:
lubricant.
2. Verify the o-rings on the first sleeve spool
assembly (3) are properly seated and carefully
insert it into one of the ports of the body's (1)
air motor.
3. Use a 19 mm socket and the supplied tool (42)
to tighten the sleeve spool assembly (3) until it is
flush with surface of the air motor.
NOTE: Do not overtighten the sleeve spool
NOTE: NOTE:
assembly.
4. Repeat Step 3 for the sleeve spool assembly (3)
on the other side of the air motor.
5. Install the muffler media (alternating felt mufflers
(15) and mesh baffle spacers (38)) into the
muffler. Use the new felt mufflers (15) supplied
in the rebuild kit. Muffler parts must be placed in
exactly the order shown in the illustration.
Center Section Section
Center Section
334794A