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Page 6 of 12 

PD03P-XXX-XXX (en)

p

 

Indicates parts included in 637428 Air Section Repair Kit.

Item

Description (size)

Qty

Part No.

[Mtl]

Item

Description (size)

Qty

Part No. [Mtl]

101 Center Body

(1)

96466

[PPG]

140 Valve Insert

(1)

93276

[CK]

103R Cover 

(right side)

(1)

96488

[D]

141 Valve Plate

(1)

96173

[CK]

103L Cover 

(left side)

(1)

96489

[D]

p

 

144 “U” Cup Packing

 (1/8” x 3/4” o.d.)

(2)

Y187-47

[B]

107 Plug, Small

(1)

96353

[D]

p

 

166 “O” Ring

 (1/16” x 1-1/4” o.d.)

(1)

Y325-24

[B]

111 Major Valve Spool

(1)

95919

[D]

p

 

167 Pilot Piston

 (includes 168 and 169)

(1)

67382

[D]

118 Actuator Pin

(2)

94874-1

[SS]

168 “O” Ring

 (1/16” x 7/16” o.d.)

(2)

96459

[U]

p

 

121 Washer

(2)

96092

[D]

169 “U” Cup Packing

 (1/8” x 5/8” o.d.)

(1)

96384

[U]

123 Screw 

(#4 - 20 x 1/2”)

(12)

96093

[SS]

170 Spool Bushing

(1)

96090

[D]

129 Muffl

  er Baffl

  e

(1)

96542

[P]

p

 

171 “O” Ring 

(1/16” x 13/16” o.d.)

(2)

Y325-17

[B]

130 Gasket

(1)

95931

[SY]

p

 

173 “O” Ring

 (3/32” x 7/8” o.d.)

(2)

Y325-115 [B]

p

 

132 Air Manifold Gasket

(1)

96214-1

[B]

p

 

174 “O” Ring

 (3/32” x 11/32” o.d.)

(2)

Y325-105 [B]

134 Flange Bolt 

(1/4” - 20 x 3”)

(4)

96487

[SS]

p

 

200 Porting Gasket

(1)

96364

[B]

135 Valve Block

(1)

96204

[PPG]

p

 

232 “O” Ring 

(1/16” x 3/8” o.d.)

(4)

Y325-10

[P]

136 Plug, Large

(1)

96352

[D]

236 Nut

 (1/4” - 20)

(4)

Y12-4-S

[SS]

p

 

137 “O” Ring 

(1/16” x 1-5/8” o.d.)

(3)

Y325-29

[B]

p

 

138 “U” Cup Packing

 (1/8” x 1” o.d.)

(1)

94395

[U]

n

 

p

Lubriplate FML-2 Grease

(1)

94276

p

 

139 “U” Cup Packing 

(1/8” x 1-7/16” o.d.)

(1)

96383

[U]

Lubriplate Grease, 10 Pack

637308

PARTS LIST / PD03P-XXX-XXX AIR MOTOR SECTION

MATERIAL CODE

[B] = Nitrile 

[PPG] = Glass Filled Polypropylene

[CK] = Ceramic 

[SS] = Stainless Steel

[D] = Acetal 

[SY] = Syn-Seal

[P] = Polypropylene 

[U] = Polyurethane

DIAPHRAGM PUMP SERVICE

GENERAL SERVICE NOTES:

Inspect and replace old parts with new parts as neces-
sary. Look for deep scratches on metallic surfaces, and 
nicks or cuts in “O” rings.
Tools needed to complete disassembly and repair:

5/8” socket or wrench, 7/16” socket or wrench, 3/8” 
socket or wrench, 5/16” Allen wrench, T-10 Torx 
screwdriver, torque wrench (measuring inch pounds), 
“O” ring pick.

y

y

y

FLUID SECTION DISASSEMBLY

Remove (61) top manifold.
Remove (19) “O” rings, (21) seats and (22) balls.
Remove (60) bottom manifold.
Remove (19) “O” rings, (21) seats and (22) balls.
Remove (15) fl uid caps.
Remove (6) diaphragm nut, (7) or (7 / 8) diaphragms and 
(5) washer.
Remove (1) connecting rod from air motor.
Carefully remove remaining (6) diaphragm nut, (7) or (7 / 8) 
diaphragms and (5) washer from (1) connecting rod. Do 
not mar surface of connecting rod.

1.
2.
3.
4.
5.
6.

7.
8.

FLUID SECTION REASSEMBLY

Reassemble in reverse order.
Lubricate (1) connecting rod with Lubriplate or equiva-
lent “O” ring lubricant.
Install (5) washers with i.d. chamfer toward diaphragm.
When replacing PTFE diaphragms, install the 96533-A 
Santoprene diaphragm behind the Tefl on diaphragm.

y

y

y

y

AIR MOTOR SECTION SERVICE

Service is divided into two parts - 1. Pilot Valve, 2. Major 
Valve.

Air Motor Section Service is continued from Fluid Section 
repair.

y

PILOT VALVE DISASSEMBLY

Remove (123) screws, releasing (103) covers, (121) wash-
ers, (118) actuator pins and (167) pilot piston.
Remove (170) spool bushing and inspect inner bore of 
bushing for damage.

1.

2.

PILOT VALVE REASSEMBLY

Clean and lubricate parts not being replaced from ser-
vice kit.
Assemble (171) “O” rings to (170) bushing and assemble 
bushing into (101) center body.
Lubricate and assemble (167) pilot piston assembly into 
(170) bushing.
Assemble (173 and 174) “O” rings and (121) washers to 
(103) covers, then insert (118) actuator pins through as-
sembly.
Assemble (144) “U” cups (note the lip direction) and (103) 
covers to (101) center body, securing with (123) screws. 
NOTE: Tighten (123) screws to 4 - 6 in. lbs (0.45 - 0.68 Nm).

1.

2.

3.

4.

5.

MAJOR VALVE DISASSEMBLY

Unthread (123) screws, releasing (129) muffl

  er baffl

  e.

Unthread (134) bolts and pull (135) valve block and com-
ponents from (101) center body.
Remove (132) gasket, (141) valve plate and (140) valve 
insert from (135) valve block.
Remove (134) bolts, releasing (107 and 136) plugs and 
(111) spool.

1.
2.

3.

4.

Содержание ARO PD03P Series

Страница 1: ...100 to 2000 F 12 to 930 C Neoprene 00 to 2000 F 18 to 930 C Nitrile 100 to 1800 F 12 to 820 C Polypropylene 350 to 1750 F 20 to 790 C Santoprene 400 to 2250 F 400 to 1070 C PTFE 400 to 2250 F 40 to 1...

Страница 2: ...o not attempt to return a pump to the factory or service center that contains hazardous material Safe handling practices must comply with local and national laws and safety code requirements y y y y y...

Страница 3: ...Corporation Santoprene is a registered trademark of Monsanto Company licensed to Advanced Elastomer Systems L P Lubriplate is a registered trademark of Lubriplate Division Fiske Brothers Refining Com...

Страница 4: ...Part No Mtl Part No Mtl Part No Mtl Part No Mtl Part No Mtl Part No Mtl 6 Diaphragm Nut 1 4 20 2 93810 7 P 93810 7 P 93810 3 K 93810 3 K 93810 2 D 93810 2 D 15 Fluid Cap 2 96460 1 P 96460 1 P 96460 3...

Страница 5: ...s Apply Loctite 242 to threads Apply Lubriplate 94276 to all O rings U cups and mating parts Apply anti seize compound to threads and bolt and nut flange heads which contact pump case when using stain...

Страница 6: ...cket or wrench 5 16 Allen wrench T 10 Torx screwdriver torque wrench measuring inch pounds O ring pick y y y FLUID SECTION DISASSEMBLY Remove 61 top manifold Remove 19 O rings 21 seats and 22 balls Re...

Страница 7: ...111 spool LIPS MUST FACE EACH OTHER Assemble 137 O rings to 136 large plug Assemble 137 and 166 O rings to 107 small plug Insert 111 spool into 136 large plug then insert 136 large plug into 135 valv...

Страница 8: ...pe should be sized at least as large as the inlet thread diameter of the pump for proper flow if high viscosity fluids are being pumped Suction hose must be non collapsible type capable of pulling a h...

Страница 9: ...PD03P XXX XXX en Page 9 of 12 ACCESSORIES Figure 6 67388 WALL MOUNT BRACKET ASSEMBLY 96507 Wall Mount Bracket Y13 3 T Washer 3 3 16 Y14 10 S Lock Washer 3 10 Y154 52 S Cap Screw 3 10 24 x 1 2...

Страница 10: ...Page 10 of 12 PD03P XXX XXX en...

Страница 11: ...PD03P XXX XXX en Page 11 of 12...

Страница 12: ...Page 12 of 12 PD03P XXX XXX en PN 97999 1180...

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