ARO 666100-344-C Посібник оператора - Сторінка 8

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

Indicates parts included in 637118-C Air Section Service Kit.

SERVICE KIT NOTE: Service Kit 637118-C is a general repair kit for all 1" and larger ARO diaphragm pump air motors. It contains extra "O" Rings and other

parts that may not be needed to service this model.

Item

Description

(size)

101 Motor Body

(models 66610X, 66612X)

(models 66611X, 66613X)

102 "O" Ring



(1/16" x 1" OD)

103 Sleeve



104 Retaining Ring, TruArc



Screw/Wshr

(1/4"-20 x 5/8") (-XX0, 1, 2, 9)

105

Cap Screw

(1/4"-20 x 5/8") (-XXA, B, C, D)

106 Lockwasher

(1/4") (6661XA, 1XB,1XC, 1XD)

Leg

(models 6661X0, 1X2, 1X9)

107

(models 6661XA, 1XC, 1XD)

107 Plate

(models 6661X1, 1XB)

 108 Gasket (with notch)

109 Piston



 110 "U" Cup

(3/16" x 1-3/8" OD)

111 Spool



(models 66610X, 66612X)

(models 66611X, 66613X)

112 Washer

(1.557" OD)



113 "O" Ring



(1/8" x 1-1/4" OD)

114 "O" Ring



(3/32" x 1-9/16" OD)

115 Spacer



116 Spacer



AIR MOTOR SECTION SERVICE

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

Valve. GENERAL REASSEMBLY NOTES:

Air Motor Section Service is continued from Fluid Section

repair.

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.

Take precautions to prevent cutting "O" rings upon instal-

lation.

Lubricate "O" rings with Key-Lube grease.

Do not over tighten fasteners, refer to torque specifica-

tion block on view.

Re-torque fasteners following restart.

PILOT VALVE DISASSEMBLY

1. Remove (104) retaining ring.

2. Remove (123) screws and (122) "O" rings.

3. Remove (118) piston rod, (121) sleeve bushing, (119) "O"

rings and (120) spacers from the (101) motor body.

4. Remove (103) sleeve and (102) "O" rings.

PILOT VALVE REASSEMBLY

1. Replace two (102) "O" rings if worn or damaged and rein-

stall (103) sleeve.

2. Install one of the (121) sleeve bushings, (119) "O" rings,

(120) spacers and the remaining (121) bushing.

3. Carefully push (118) pilot rod into bushings etc. and re-

tain on each end with the two (122) "O" rings, retain with

(123) screws.

4. Replace (104) retaining rings.

Page 8 of 12

PARTS LIST / 66610X-X-C AIR MOTOR SECTION

Qty Part No.

(1) 94743

(1) 94741

(2) Y325-20

(1) 94527

(2) Y145-25

(.925" ID)

(8) 93860

(8) Y6-42-T

(8) Y14-416-T [SS]

(2) 92003

(2) 92003-1

(2) 93707-1

(1) 92878

[B/Ny]

(1) 92011

(1) Y186-51

(1) 92005

(1) 93047

(5) 92877

(5) Y325-214

(6) Y325-126

(4) 92876

(1) 92006

[Mtl]

Item Description

[A]

117 Gasket



[CI]

118 Pilot Rod

[B]

119 "O" Ring



(1/8" x 3/4" OD)

[D]

120 Spacer

[C]

121 Sleeve Bushing

[C]

122 "O" Ring



(3/32" x 9/16" OD)

[SS]

123 Screw



(#8 - 32 x 3/8")

Stud

(5/16" - 18 x 1-3/4") (6661X0, 1X1, 1X2

124

[C]

(5/16" - 18 x 1-3/4") (6661XA, 1XB, 1XC, 1XD)

[SS]

128 Pipe Plug

(1/8 - 27 N.P.T x 1/4")

[SS]

195A Button Head Screw

195B Button Head Screw

[D]

201 Muffler

[B]

Key-Lube "O" Ring Lubricant



[A]

Pak of 10 Key-Lube

[C]

Service Kits include: Y212-101 (2) Screws (#10 - 32 x 1/4")

[Z]



used on units manufactured between 8/90 and 4/92 to retain

[B]

the pilot bushing.

[B]

[Z]

Parts Y 145-26 (1.156" ID) (qty 2) retaining rings and Y325-24 "O" rings (qty 2)



[Z]

are included in the service Kit for the repair of larger pumps.

 "Smart Parts" Keep these items on hand in addition to the Service Kits for fast repair

and reduction of down time.

[A] = Aluminum

[B] = Nitrile

[Bz] = Bronze

[C] = Carbon Steel

MAJOR VALVE DISASSEMBLY

1. Remove (107) plate (or leg depending on model), (108

and 117) gaskets.

2. On the side opposite the air inlet, push on the inner di-

ameter (111) spool. This will force the (109) piston out.

Continue pushing the (111) spool and remove. Check for

scratches and gouges.

3. Reach into the air section (exhaust side) and remove (116)

spacer, (115) spacers, (113) "O" rings, (114) "O" rings, (112)

washers, etc. Check for damaged "O" rings.

MAJOR VALVE REASSEMBLY

1. Replace (112) washer, (114) "O" ring and (113) "O" ring

onto (115) spacer and insert etc.

NOTE: Be careful to orient spacer legs away from

blocking internal ports.

2. Lubricate and carefully insert (111) spool.

3. Install (117) gasket and (107).

4. Lubricate and install (110) packing cup and insert (109)

piston into (air inlet side) cavity, the (110) packing cup

lips should point outward.

5. Install (108) gasket and (107).

Qty Part No.

(size)

(1)

92004

(1)

93309-1

(4)

93075

(3)

115959

(2)

98723-1

(2)

94820

(4)

Y154-41

(16) 92866

1X9)

(16) 92866-1

(1)

Y227-2-L

(2)

94987

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

(1)

94987-1

(1/4" - 20 x 3/8

(1)

93110

(1)

93706-1

637175

MATERIAL CODE

[CI] = Cast Iron

[U] = Polyurethane

[D] = Acetal

[Z] = Zinc

[NY] = Nylon

[SS] = Stainless Steel

[Mtl]

[B/Ny]

[C]

[U]

[Z]

[Bz]

[U]

[C]

[SS]

[C]

[SS]

[C]

66610X-X-C (en)