Graco PRO AA5500SC Instructions And Parts List page 43

WARNING
Some PRO AA5500 Gun replacement parts look similar
to other PRO Gun parts but are not interchangeable!
When servicing, do not mix or use other PRO Gun
parts that may look similar, but have different part
numbers! Use of parts other than those specified in the
PRO AA5500 Gun parts list below could alter the ground-
ing continuity of the gun, cause parts to leak or rupture, or
cause the gun to malfunction and result in serious injury,
fire, explosion or property damage.
Part No. 236–688 Spray Gun Assembly
Includes items 1–84
Ref.
No. Part No. Description
1 189–768 RETAINING NUT, air cap
2 189–770 SHROUD
3 189–366 FLUID FITTING
4 205–264 FLUID FILTER
6 189–367 CAP, exhaust
7 185–122 MUFFLER/FLAME ARRESTOR
8 101–324 NUT, hex jam; 1/4"–20
9 110–492 O-RING;
10 108–290 SCREW
11 185–113 GASKET, gun body; polyethylene
12 188–479 TIP GUARD
13 GG3–XXX SPRAY TIP, customer choice; Includes
item 13a; See pg. 47 to order
13a 183–459 SEAL, spray tip
14 235–797 SEAT HOUSING
15 235–947 AIR CAP & ELECTRODE ASSY.;
Includes item 15a
15a 188–676 ELECTRODE; See pg. 45
to order kit of 5 electrodes
17 102–025 NUT, hex; 1/4"-20
18 235–843 FLUID TUBE ASSY.
19 186–766 ARM, actuator
20 112–691 SPRING, compression
21 112–689 SCREW, socket; 1/4 x 0.75"
23 236–826 PISTON ASSY;
Includes items 23a–23g
23a 106–560 O-RING; Viton
23b 168–518 O-RING; Viton
23c 168–110 O-RING; Viton
SERVICE NOTES:
Apply low strength (purple) Loctite or equivalent to threads
Apply a very light coat of lubricant
Apply dielectric grease, supplied, to entire length of fluid tube
plastic extension
Tighten seat housing until snug, then tighten 1/4 turn more; do not
over-tighten
Adjust nut to create 0.125" (3 mm) gap between actuator arm (19)
and nut (17)
Align stems (23d) with holes in gun body and press piston assy. to
bottom
Tighten to 4.5–5.0 in-lbs (0.5–0.6 N m) [about 1/4–1/2 turn past
snug]
Spray Gun Parts
Qty.
PTFE
Ref.
No. Part No.
23d 189–355
23e 189–747
23f 189–752
23g 189–754
24 185–096
25 222–319
25a 110–073
25b 185–124
26 235–827
26a 111–261
27 224–093
27a 186–840
27b 185–099
1
27c 185–145
1
27d 186–637
1
27e 185–141
1
28 235–798
1
29 190–055
1
30 185–114
1
75 236–832
1
1
76 187–421
1
77 107–460
1
78 180–060
79 112–080
1
80 222–385
1
81 179–791
1
82 189–888
83 217–115
1
84 110–087
1
These parts are included in Air Seal Repair Kit 236–827,
1
which may be purchased separately .
1
1
1
These parts are not shown in the parts drawing.
1
Replacement Danger and W arning labels, tags and cards
1
1 are available at no cost. French, German, and Spanish
warning signs are also available. See Accessories
1
1 section.
Tighten to about 1/4–1/2 turn past hand-tight; there will be a gap
between nut & barrel; do not over-tighten
9
Install flush to end of piston rod (23g)
Flush to outside surface
Press fit to bottom
Apply high strength (green) Loctite or equivalent to threads
Do not lubricate
Tighten to 18 in-lbs (2 N m) maximum (about half turn past snug),
using wrench provided
Description
STEM, piston
PISTON
PACKING, u-cup; UHMW
polyethylene
ROD, piston
SCREW, cap, relieved; M5 x 0.8
ALTERNATOR, turbine
Includes items 25a & 25b
O-RING; Viton
CUSHION
BARREL, gun; Includes item 26a
CONTACT RING, barrel
POWER SUPPLY ASSY; 85 KV
Includes items 27a–27e
GASKET, power supply
PAD
PAD
SEAL
CUSHION
FLUID NEEDLE ASSY.
BODY, gun
RETAINER RING, alternator
MANIFOLD ASSY.
See separate parts list on page 41
WRENCH, nozzle
WRENCH, ball end
SIGN, warning, English
DRIVER, socket head, 2 mm
WARNING CARD
TAG, warning
COVER, gun
GREASE, dielectric
DRIVER, hex nut, 9 mm
Qty.
2
1
1
1
3
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1