Graco Fast-Flo, Instructions And Parts List

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307-427 31
Displacement Pump Parts
Model 237–256 Displacement Pump, Series A
Stubby Size, Stainless Steel, Packed
Ref.
No.
Part No. Description Qty.
1 180–049 NUT, packing; stainless steel 1
2* 178–543 GLAND, female; stainless steel 1
3* 172–487 V-PACKING; 3
5* 172–385 GLAND, male; stainless steel 1
6 210–876 HOUSING, outlet 1
8 104–537 O-RING; 1
13 172–494 CYLINDER, stubby 1
14 177–156 O-RING; Viton 1
15 217–212 ROD, displacement 1
20 172–393 WASHER; stainless steel 1
21* 172–489 CUP, piston; 1
22 172–495 STUD, piston 1
23 218–427 VALVE, intake; stainless steel 1
24 172–391 SPACER, piston; 1
25 104–585 BALL, piston; 22 mm dia. 1
26 172–399 PIN, ball stop 1
27 177–230 GUIDE, ball 1
28 104–586 BALL, intake; 32 mm dia. 1
29 100–063 PIN, cotter 2
30 172–389 PIN, ball stop 1
* These parts are included in Repair Kit 213–013,
which may be purchased separately.
03781
1
3
4
2
Torque to 31 N.m (23 ft–lb).
1
15
Lips of v-packings must face down.
22
3*
*21
Torque to 33 N.m (24 ft–lb).
Lips of packing must face up.
1
4
3
2*
5*
6
8
13
20
23
24
25
26
27
28
29
30
14
PTFE
PTFE
PTFE
PTFE
PTFE