Reassemble The Center Section - Graco ChemSafe 515 PT Instructions-Parts List Manual

Repair
3. Apply a thin film of lubricant (46) to air motor
o-rings (34) & (33), and to the outside of the air
motor assembly (2), and screw back into the
body (1), small end first.
NOTE: Be careful not to clog air holes with
NOTE: NOTE:
lubricant.
NOTE: NOTE: Use only the lubricant (46) supplied with NOTE:
the rebuild kits.
Reassemble Reassemble the Reassemble the Center the
1. Carefully lubricate the spool assembly o-rings
with a thin film of the appropriate lubricant (46).
NOTE: Be careful not to clog air holes with NOTE: NOTE:
lubricant.
2. Verify the o-rings on the first spool assembly (3)
are properly seated and carefully insert it into
one of the ports of the air motor assembly (2) in
the body (1). The o-ring at the end of the spool
assembly (3) fits into a groove at the bottom of
the port. It may be necessary to separately insert
this o-ring in the groove first to ensure proper
seating.
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Center Section Center Section Section
Springer Pumps, LLC
3. Use a 19 mm socket and the supplied tool (42) to
tighten the spool assembly (3) until it is flush with
surface of the air motor assembly.
NOTE: Do not overtighten the spool assembly.
NOTE: NOTE:
4. Repeat Step 3 for the spool assembly (3) on the
other side of the air motor assembly.
5. Perform a quick field test to verify the o-rings
were not nicked or broken when the spool
assemblies (3) were inserted.
a. Attach an air hose to the port on the body (1).
b. Set the air pressure to 30 psi. This will cause
one or both spools (3) to pop or shift.
c. Press each spool (3) individually to verify that
the other spool (3) has a corresponding shift.
d. Plug the air holes on the air motor (2) to
verify no air is escaping from either of the
spools (3).
6. 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.
7. Position the muffler cap (14) over the installed
muffler media, and use a 4 mm Allen wrench to
tighten the screws (16). Torque the screws to
16 in-lbs (1.8 N∙m).
8. Repeat Step 6 for the muffler on the other side of
the body (1).
9. Lubricate an o–ring seal (32) and place into
the ID of the air motor assembly's central hole.
Lubricate and install a glide shaft seal (39) in the
same hole.
NOTE: To avoid damage to the central hole or
NOTE: NOTE:
o-ring grooves, use rubber-tipped needle-nose
pliers to form a kidney shape with the glide shaft
seal (39) before inserting the seal into the central
hole.
10. Repeat Step 8 on the other side of the air motor
assembly.
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