Graco Inc. 257999 Paint Sprayer User Manual


 
Repair
313872B 31
Repair
Tools Required
Tools required to complete some gun repair procedures:
15/16 in. wrench
flat head screwdriver (supplied)
5/16 hex nut driver (supplied)
1/2 in. socket
3/4 in. socket
5/64 in. allen wrench (supplied)
9/64 in. allen wrench
5/32 in. allen wrench
Phillips screwdriver
Lubrication
See Accessories on page 53 to order lubricant. Liber-
ally lubricate all o-rings, seals, and threads.
Replace Throat Seal Liquid
Cartridge
NOTE: If Throat Seal Liquid cartridge removal or instal-
lation is difficult, lubricate cartridge o-rings and cartridge
bore with a few drops of Throat Seal Liquid.
Water-based lubricants can be used as well.
1. Follow Pressure Relief Procedure, page 22.
2. Close air valve (AB).
3. Push in and rotate cartridge 1/4 turn counterclock-
wise. See FIG. 26. Pull cartridge out of gun body.
NOTICE
Use only Throat Seal Liquid on the o-rings, seals,
and threads of the Throat Seal Liquid cartridge.
Fusion grease or other petroleum-based or vegeta-
ble-based lubricants will cause cartridge o-rings
and seals to swell and stick.
NOTICE
Use only Throat Seal Liquid on the o-rings, seals,
and threads of the Throat Seal Liquid cartridge.
Fusion grease or other petroleum-based or vegeta-
ble-based lubricants will cause cartridge o-rings
and seals to swell and stick.
FIG.25
FIG.26
TI14452a
AB
TI14461a