Ingersoll-Rand 65178X-XXX-B specifications Parts List XXR-B Remote Models, Regulator Disassembly

PARTS LIST

651780-XXR-B REMOTE MODELS

Item	Description (size)	(Qty)	Part No.	[Mtl]
25	Ribbed Bolt (3/8” - 16 x 1-1/2”)	(10)	93750-1	[C]
26	Air Cap	(1)	93753-1	[A]
27	Diaphragm	(1)	93754-1	[N]
28	Plate	(1)	94573	[C]
29	Piston	(1)	93751-1	[C]
30	Air Cap	(1)	93753-2	[A]
31	Nut (3/8” - 16)	(10)	Y12-6-C	[C]
32	Cap Screw (7/16” - 20 x 2”)	(4)	Y157-76	[C]
33	Adapter	(1)	93752-1	[A]
34	Cap Screw (5/16” - 18 x 1”)	(4)	Y99-52	[C]

MATERIAL CODE

[A] = Aluminum [C] = Carbon Steel [N] = Neoprene

ASSEMBLY TORQUE REQUIREMENTS

NOTE: DO NOT OVERTIGHTEN FASTENERS.

(31) Torque in sequence.				1
1.)	Snug.
			4	8
2.)	20 ft lbs (27.1 Nm).
		7		5
(32) Torque alternately.
1.)	Snug.	10		2
2.)	20 - 25 ft lbs (27.1 - 33.9 Nm).		3	9
(34) Torque alternately.				6
1.)	Snug.		Figure 7
2.)	10 ft lbs (13.6 Nm).

LUBRICATION / SEALANTS

Apply Loctite 242® to threads.

Secure (29) piston to (28) plate with Loctite 680™ Retaining Compound. Apply “DRI-SLIDE” upon reassembly.

￿25

26

27

28

￿29

30

￿￿31

￿￿32

33

￿￿34

Figure 8

"Smart parts", keep these items on hand in addition to the ser- vice kits for fast repair and reduction of down time.

REGULATOR DISASSEMBLY

(refer to pages 4 and 5)

FOR “WARNINGS”, REFER TO “OPERATING AND SAFETY PRECAUTIONS” ON PAGE 2 FOR DETAILS.

BEFORE SERVICING, READ “WARNING: DISASSEMBLY HAZARD.” FOUND ON PAGE 2.

TOOLS REQUIRED: Small bench vise, 3/8” Allen wrench (Y106-109 is included), 5/32” Allen wrench, a 9/16” Allen wrench for -CXX-B models, torque wrench and Loctite 242.

NOTE: It is not always necessary to remove the regulator from the fluid line to service or inspect only the valve section.

BEFORE DOING ANY IN-LINE SERVICE, ALL FLUID PRES- SURE MUST BE RELIEVED. HEED ALL WARNINGS FOUND ON PAGE 2.

ALLEN WRENCH NOTE: The Y106-109 (3/8”) Allen wrench is included and can be used for several functions including: Regulator adjustment (spring type models), removal and as- sembly of the long bonnet bolts and the short plate bolts.

VALVE SEAT NOTE: Before deciding to order a general repair kit to service the whole regulator, check the easiest things first. Remove and inspect the valve seat for dirt, foreign mat- ter, damage or wear (steps 1 - 3).

DOWNSTREAM STYLE MODELS

1.Remove the (46 / 47) base plug / “O” ring assembly, which will allow removal of the (44) spring, (43) ball, (45) flow tube, (42) seat and (41) “O” ring.

BACK PRESSURE STYLE MODELS

2.Remove the (46 / 47) base plug / “O” ring assembly, which will allow the removal of the (45) flow tube, (42) seat and (41) “O” ring.

3. Inspect the (42) seat for dirt, damage or wear.

READ “WARNING: BONNET REMOVAL HAZARD” FOUND ON PAGE 2.

4.Remove the four (2) long bolts to allow removal of the bonnet / adjusting screw assembly.

NOTE: The (6) adjusting screw, (5) thrust bearing and (4) washer are retained by (7) plate, which is pressed into place. It should not be necessary to disassemble these parts during normal service.

5.Remove the (9) regulator spring and (12) small plate.

6.Remove the (14) bolts.

7.Remove the (15) plate.

8.Remove the stem / diaphragm and piston assembly.

9.Place the stem in a vise, locate and secure on the stem flats provided.

10.Using a 5/32” hex Allen wrench, remove the (10) screw.

11.Remove the (11) lockwasher, (13) piston, two (16, 17) diaphragms and (18 and 19) “O” rings from the (40) valve stem.

REMOTE MODELS (Refer to figure 8)

1.Remove four (34) screws from (30) air cap and separate the diaphragm assembly from the (33) adapter.

2.Disassemble the diaphragm assembly by removing the ten (31) nuts.

3.Separate the two halves to allow inspection of the (27) diaphragm and replace, if necessary.

4.Reassemble in reverse order.

Page 6 of 8 65178X-XXX-B (en)