Repair; Pump - Graco A Series Assembly

Repair

Pump

NOTE: Clean all parts in non-flammable solvent. Dry all
parts thoroughly before reassembly.
1. Remove the pump from the cover or shield.
2. Slide the extension (318) up the riser tube (314) and
expose the intake valve (302).
3. Unscrew the intake valve (302) from the riser tube
(314). Disassemble the intake valve. Clean and
inspect the parts. Replace worn or damaged parts.
4. Unscrew the riser tube (314) from the outlet
housing (319).
5. Pull the riser tube (314) down off the connecting rod
(320) and piston (301).
6. Unscrew the piston (301) from the connecting rod
(320). Disassemble the piston. Clean and inspect
the parts. Replace worn or damaged parts.
7. Loosen the packing nut (312).
8. Disconnect the connecting rod (320) from the pump
lever (316). Pull the connecting rod (320) down out
of the outlet housing (319).
9. Unscrew the packing nut (312) and remove the
packings (313). Clean and inspect the parts.
Replace worn or damaged parts.
10. Reassemble the pump in reverse order, following
the lubrication and sealant notes in F
the packing nut (312) just enough to stop leakage.
306436M
308
312
1
313
309
319
320
. 3. Tighten
IG
314
315
3
318
317
F . 3: Hand Pump Assembly, Model 204867, Series A
IG
316
303
5
305
1
301f
301c
301d
301b
301a
301e
2
Lubricate threads.
1
4
Lubricate I.D.
2
Lubricate threads.
3
Lubricate threads.
4
Torque to 25 in-lbs (2.8 N•m)
5
302b
302d
302c
302a
Repair
321
306
311
310
322
4
304
307
301
1
302
4
5