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Pump
Assembly – Parts
USE ONLY GENUINE GRACO PARTS AND ACCESSORIES
Ref.
No. Part
No.
Description Qty
Ref.
No.
Part No.
Description Qty
1 801–467 MANIFOLD 1
803–504
MANIFOLD, 3500 & 4000 psi
1
2 801–468 SCREW
, Cap, hex hd
8
3 801–469 W
ASHER, lock
8
4
KIT 1
O-RING
5
KIT 1
SEAT
, V
alve
6
KIT 1
PLA
TE, V
alve
7
KIT 1
SPRING
8
KIT 1
GUIDE, V
alve
9
KIT 4 or 106
O-RING
10
KIT 4 or 106
CAP
11
KIT 1
VAL
VE ASSEMBL
Y
12 803–283 SCREW
, Cap, socket hd
8
13 803–284
COVER, Crankcase.
1
803–506
COVER, Crankcase,
3500 & 4000 psi
1
14 802–500
O–RING, Crankcase Cover
2
15 803–324
BEARING, T
apered Roller
2
16
KIT 2
SEAL, Oil
17 803–286
BUSHING, Piston
1
18 802–895 CRANKCASE 1
803–501
CRANKCASE,
3500 & 4000 psi
1
19 801–475 DIPSTICK 1
20 803–144 GASKET
, Cover
1
21 803–287
CRANKSHAFT
1
22 803–288
RING, Retaining
6
23 802–794 KEY 1
24 803–289
PIN, W
rist 3
25 803–325
GUIDE, Piston, 3000 psi
3
803–503
GUIDE, Piston,
3500 & 4000 psi
3
26 803–291
ROD, Connecting
3
27 803–292 SCREW
, Cap, socket hd
5
28 803–293
COVER, Crankcase
1
803–507
COVER, Crankcase,
3500 & 4000 psi
1
29 802–345
GAUGE, Sight
1
30 802–793
PLUG, Oil Drain
1
31
KIT 6 or 107
O-RING
32 803–294 SCREW
, Cap, socket hd
6
33 8033–652 W
ASHER, Lock
6
34
KIT 6 or 107
W
ASHER, Flinger
3
35 801–490
PLUNGER, Ceramic
3
803–502
PLUNGER, Ceramic
3
36
KIT 6 or 107
RING, Backup.
37
KIT 6 or 107
WASHER
38
KIT 6 or 107
SCREW
, Piston
39 803–295
COVER, Crankcase
1
803–505
COVER, Crankcase,
3500 & 4000 psi
1
40 803–296 SHIM 2
41
KIT 3
SEAL, Oil
42
KIT 28 or 1
12O-RING
43
KIT 28 or 1
12RET
AINER, Packing
44
KIT 28 or 1
12PACKING
Kit 8 or 109
45
KIT 28 or 1
12
RING, Head
46
KIT 28 or 1
12RET
AINER, Packing
47
KIT 28 or 1
12
RING, Long Life
48 801–526 BRACKET
, Pump
2
49 802–305 SCREW
, Cap, socket hd
2
50 802–304 W
ASHER, Lock
2
51 801–482
PLUG, Hex
1
52 801–483 W
ASHER, Flat
1
53 801–484
PLUG, Hex
1
54 801–485 W
ASHER, Flat
1
55 801–624 PUMP
, 3000 psi
1
803–508 PUMP
, 3500 & 4000 psi
1
56 803–083
LABEL, Keep From Freezing
1
3000 psi
1
803–517
LABEL, Keep From Freezing
3500 & 4000 psi
1
57 802–085
NIPPLE 1/2
1
58 801–106
TEE 1/2
1
59 800–113 FIL
TER (see Instruction
Manual 801–744)
1
60 801–111 NUT
, Garden Hose
1
61 801–110
ADAPTER, Garden Hose
1
62 801–112
STRAINER, Garden Hose
1
63 803–141
HOSE, Bypass
1
64 803–142
NIPPLE, Hex 1/2 NPSM x
3/8 NPT 3000 psi
1
802–534
NIPPLE, Hex 1/2 NPSM x
1/2 NPT
, 3500 & 4000 psi
1
65 800–325
UNLOADER, 3000 psi
1
800–689
UNLOADER, 3500 psi
800–427
UNLOADER, 4000 psi
1
66 801–868
NIPPLE, Hex 3/8, 3000 psi
1
801–236
NIPPLE, Hex 1/2x3/8,
3500 & 4000 psi
2
67 801–568
COUPLER, Male 3/8
1
1/30/95
3X8–525 Rev
. D