Disassemble The Center Section; Reassemble The Center Section - Graco ChemSafe 307 Instructions - Parts Manual

Disassemble the the Center
Disassemble Disassemble the
1. One diaphragm (25) should screw off by hand.
Slide the second diaphragm out with the shaft (5).
2. Use the supplied tool (46) to remove the muffler
cap (14) from the body. Remove all muffler parts.
Inspect the mesh baffle spacers (38) and felt
mufflers (15). Replace as needed.
3. Use the supplied tool (45) to remove the sleeve
caps (3). Remove the shaft glide seal (17) and
o-ring (32) from the ID of the caps. Remove
o-ring (35) from the face of each cap. Remove
EPDM ring (36) from the seat for each sleeve
cap.
4. Use an appropriate-sized socket to press out the
spool assembly.
334793A
Center Section Section
Center Section
Reassemble the the Center
Reassemble Reassemble the
1. Install a plug (40) in each of the three unused
ports.
1. Install the muffler media into the muffler. Use the
new felt mufflers (15‡) supplied in the rebuild kit.
Muffler parts must be placed in the exact order
shown in the illustration. Use the supplied tool
(46) to screw the muffler into the exhaust port
(the port with 2 holes on the bottom).
2. Lubricate and install an o-ring (35) and then the
shaft glide seal (17‡) in the ID of each sleeve cap
(3). Lubricate and install an o-ring (32‡) on the
face of each sleeve cap (3).
3. Lubricate and install an EPDM ring (36‡) into
the seat for the sleeve cap, in the center of the
body (1).
1. Apply medium-strength thread locker to the
threads of a sleeve cap (3). Use the tool (45) to
install it into one side of the body just until it is
flush with the surface. Do not overtighten.
1. Turn the center section over. Spread a thin film
of lubricant evenly across the o-rings on the
spool assembly. Be careful not to plug the air
Repair
Center Section Section
Center Section
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