Graco 311688L important safety instructions Part No BSPP, Series B Part No NPT, Series B

Parts

Part No. 253704 BSPP, Series B Part No. 253705 NPT, Series B

Ref.	Part No.	Description	Qty
No.
1	★	HOUSING, diaphragm; includes	1
		items 1a-1d
1a	15A306	ADAPTER, fluid inlet, for 253704	1
	198852	ADAPTER, fluid inlet, for 253705	1
1b	198857	O-RING	1
1c	15A290	ADAPTER, fluid outlet, for 253704	1
	198855	ADAPTER, fluid outlet, for 253705	1
1d	117036	O-RING	1
2	◆❖	O-RING	3
3	❖	BEARING	3
4	117158	O-RING	1
5	197645	CARRIAGE, valve	1
6	15A289	CLAMP, sleeve	1
7	◆	SHAFT, pump, diaphragm	1
8	◆	O-RING	1
9	*	DIAPHRAGM	2
10	197649	CARRIAGE	1
11	†◆	O-RING	2
12	197651	PLUG	2
13	†◆	O-RING	2
14	197653	CLIP, id	2
15	†	CUP, air valve	1
16	†	PLATE, air valve	1
17	†◆	O-RING	2
18	†◆	O-RING	1
19	†◆	GASKET, flat	1
20	197659	COVER, valve	1
21	116474	SCREW, cap, socket head; M4x20	4
		Torque to 3.1 N•m (2.3 ft-lb)
22	117160	VALVE, safety	1
23	197661	DAMPENER, noise	1
24	197662	PLATE, screw	1
25	116475	SCREW, cap, socket head; M4x12	2
26	‡	BALL, matrix	4
27	‡	SEAL, profile	2
28	‡	SEAT, valve, outlet	2
29	*†‡◆	SEAL, profile	4
30	‡✖	O-RING	2
31	‡	SEAT, valve, inlet	2
32	‡	GUIDE, ball	4
33	197670	DAMPENER, felt, side	1
34	197671	DAMPENER, felt, air inlet side	1

Ref.	Part No.	Description	Qty
No.
35	15J372	COVER, exhaust	1
36	15J374	COVER, sheet metal, air valve	1
37	15A282	COVER, fluid	2
38	117240	BOLT, cap, socket head; M8x70	6
		Torque to 16 N•m (12 ft-lb)
39	115264	BOLT, cap, socket head; M8x18	6
		Torque to 16 N•m (12 ft-lb)
40	15A286	ADAPTER, pump diaphragm, for	1
		253704
	198832	ADAPTER, pump diaphragm, for	1
		253705
41	116343	CLAMP, grounding	1
42	❖	CLIP, ID, C-spring	3
43	❖	O-RING	3
44	116595	SCREW, M4 button head	2
45	111307	WASHER (used with #41, 116343)	1
46▲	188621	LABEL, warning (not shown)	1
54	258001	HOUSING, cylinder	1
55	†	O-RING	2
56	■	Helicoil	12

★Included in Diaphragm Housing Repair Kit. Order Kit 261665 for 253704 pumps and 261666 for 253705 pumps.

◆Included in Shaft Repair Kit 233841.

❖Included in Bearing Repair Kit. Order Kit 15J647. * Included in Diaphragm Repair Kit 246011.

† Included in Air Valve Repair Kit 245066.

‡ Included in Ball Check Valve Repair Kit 245067.

✖Available in 10-pack kit 15D564.

■Available in Helicoil Repair Kit 24U929 (quantity 16). Also order Helicoil Insert Tool 24U930.

▲Replacement Warning labels, signs, tags, and cards are available at no cost.

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