ARO 670077 Instrukcja obsługi - Strona 6

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Indicates parts included in 637428 air section repair kit.



Item Description

(size)

101 Center Body

103R Cover

(right side)

103L Cover

(left side)

107 Plug, Small

111 Major Valve Spool

118 Actuator Pin

 121 Washer

123 Screw

(#4 - 20 x 1/2")

124 Stud

(5/16" - 18 x 1-17/32") (see page 5)

126 Plug

129 Muffler Assembly

 132 Air Manifold Gasket

134 Flange Bolt

(1/4" - 20 x 5-3/4")

135 Valve Block

136 Plug, Large

 137 "O" Ring

(1/16" x 1-5/8" OD)

 138 "U" Cup Packing

(1/8" x 1" OD)

MATERIAL CODE

[B] = Nitrile

[PPG] =Glass Filled Polypropylene

[CK] = Ceramic

[SS] = Stainless Steel

[D] = Acetal

[U] = Polyurethane

[K] = Kynar PVDF

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:

7/8" socket or wrench, 1/2" socket or wrench, 3/8"

socket or wrench, 3/8" Allen wrench, T-10 Torx screw-

driver, torque wrench (measuring inch pounds), "O"

ring pick.

FLUID SECTION DISASSEMBLY

Remove (61) top manifold.

Remove (41) ball cages, (22) balls, (19 and 20) "O" rings

and (21) seats. NOTE: If cages are difficult to remove at

this step, it may be helpful to proceed through step 5 and

remove them once they are accessible from the inside of

the fl uid cap.

Remove (60) bottom manifold.

Remove (19) "O" rings, (21) seats and (22) balls.

Remove (15) fluid caps.

Remove (6) diaphragm nut, (7) diaphragm and (5) washer

from (1) connecting rod.

Remove (1) connecting rod from air motor.

Carefully remove remaining (6) diaphragm nut, (7) dia-

phragm and (5) washer from (1) connecting rod. Do not

mar surface of connecting rod.

FLUID SECTION REASSEMBLY

Reassemble in reverse order.

Lubricate (1) connecting rod with Lubriplate or equiva-

lent "O" ring lubricant.

Connecting rod (1) should be installed using 96571 bul-

Page 6 of 8

PARTS LIST / 670077 AIR MOTOR SECTION

AIR MOTOR PARTS LIST

(Qty) Part No.

[Mtl]

(1) 97006

[PPG]

(1) 96091

[D]

(1) 96351

[D]

(1) 96353

[D]

(1) 95919

[D]

(2) 97111

[SS]

(2) 96092

[D]

(8) 96093

[SS]

(8) 93249

[SS]

(2) 93832-3

[K]

(1) 67367

[PPG]

(1) 96214-1

[B]

(4) 94871

[SS]

(1) 96204

[PPG]

(1) 96352

[D]

(3) Y325-29

[B]

(1) 94395

[U]

Item Description

(size)

 139 "U" Cup Packing

(1/8" x 1-7/16" OD)

140 Valve Insert

141 Valve Plate

 144 "U" Cup Packing

(3/16" x 1" OD)

 166 "O" Ring

(1/16" x 1-1/4" OD)

 167 Pilot Piston

(includes 168 and 169)

168 "O" Ring

(1/16" x 7/16" OD)

169 "U" Cup Packing

(1/8" x 5/8" OD)

170 Spool Bushing

 171 "O" Ring

(1/16" x 13/16" OD

 173 "O" Ring

)

(3/32" x 7/8" OD

 174 "O" Ring

(3/32" x 11/32" OD)

 200 Porting Gasket

 Lubriplate FML-2 Grease

Lubriplate Grease, 10 Pack

let, included in service kit.

Install (5) washers with ID chamfer toward diaphragm.

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.

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.

PILOT VALVE REASSEMBLY

Clean and lubricate parts not being replaced from service

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).

MAJOR VALVE DISASSEMBLY

Unthread (134) bolts, releasing (129) muffler assembly.

Pull (135) valve block and components 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.

(Qty) Part No.

(1) 96383

(1) 93276

(1) 96173

(2) Y187-48

(1) Y325-24

(1) 67382

(2) 96459

(1) 96384

(1) 96090

)

(2) Y325-17

(2) Y325-115

(2) Y325-105

(1) 96364

(1) 94276

637308

670077 (en)

[Mtl]

[U]

[Ck]

[B]

[D]

[U]

[D]

[B]