ARO 6661XF-XXX-C Gebruikershandleiding - Pagina 6
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n 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 extra parts that may not be needed to service this model.
ITEM DESCRIPTION
(Size in inches)
101 Motor Body
(6661AX-XXX-C)
(6661BX-XXX-C)
n
102 "O" Ring
(1/16" x 1" o.d.)
V103 Sleeve
n
104 Retaining Ring, TruArc
105 Screw
(1/4" - 20 x 5/8")
106 Lock Washer
(1/4")
107 Plate
n
108 Gasket
(with notch)
V109 Piston
n
110 "U" Cup
(3/16" x 1-3/8" o.d.)
V111 Spool
(6661AX-XXX-C)
(6661BX-XXX-C)
V112 Washer
(1.557" o.d.)
n
113 "O" Ring
(1/8" x 1-1/4" o.d.)
n
114 "O" Ring
(3/32" x 1-9/16" o.d.)
V115 Spacer
AIR MOTOR SECTION SERVICE
Service is divided into two parts - 1. Pilot Valve, 2. Major Valve.
GENERAL REASSEMBLY NOTES:
S
Air Motor Section Service is continued from Fluid Section repair.
S
Inspect and replace old parts with new parts as necessary. Look for
deep scratches on metallic surfaces, and nicks or cuts in "O" rings.
S
Take precautions to prevent cutting "O" rings upon installation.
S
Lubricate "O" rings with Key-Lube grease.
S
Do not over-tighten fasteners, refer to torque specification block on
view.
S
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 reinstall (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 retain on each
end with the two (122) "O" rings, retain with (123) screws.
4. Replace (104) retaining rings.
V "Smart Parts" Keep these items on hand in addition to the Service Kits for fast repair and reduction of down time.
PAGE 6 OF 8
PARTS LIST / 6661AX-X-C AIR MOTOR SECTION
Qty Part No.
(1)
94743
(1)
94741
(2)
Y325-20
(1)
94527
(2)
Y145-25
(.925" i.d.)
(8)
Y6-42-T
(8)
Y14-416-T
(2)
93707-1
(1)
92878
(1)
92011
(1)
Y186-51
(1)
92005
(1)
93047
(5)
92877
(5)
Y325-214
(6)
Y325-126
(4)
92876
[Mtl]
ITEM DESCRIPTION
V116 Spacer
[A]
n
[CI]
117 Gasket
[B]
118 Pilot Rod
[D]
n
119 "O" Ring
(1/8" x 3/4" o.d.)
[C]
120 Spacer
[SS]
121 Sleeve Bushing
[SS]
n
122 "O" Ring
(3/32" x 9/16" o.d.)
n
[SS]
123 Screw
(#8 - 32 x 3/8")
124 Screw
[B/Ny]
(5/16" - 18 x 2-3/8")
[D]
128 Pipe Plug
(1/8 - 27 N.P.T. x 1/4")
[B]
195 Button Head Screw
[A]
201 Muffler
n Key-Lube "O" Ring Lubricant
[C]
[Z]
Pak of 10 Key-Lube
n
[B]
Service Kits include: Y212-101 (2) Screws (#10 - 32 x 1/4") used on units
manufactured between 8/90 and 4/92 to retain the pilot bushing.
[B]
[Z]
[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 diameter (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 in-
ternal 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 replace (107).
Qty Part No.
(Size in inches)
(1)
92006
(1)
92004
(1)
93309-1
(4)
93075
(3)
115959
(2)
98723-1
(2)
94820
(4)
Y154-41
(12) 93277
(1)
Y227-2-L
(3)
94987
(1/4" - 20 x 1/4")
(1)
93110
(1)
93706-1
(10) 637175
MATERIAL CODE
[CI] = Cast Iron
[P] = Polypropylene
[D] = Acetal
[U] = Polyurethane
[N] = Neoprene
[SS] = Stainless Steel
[Ny] = Nylon
[Z] = Zinc
[Mtl]
[Z]
[B/Ny]
[C]
[U]
[Z]
[Bz]
[U]
[C]
[SS]
[C]
[SS]
[C]
6661AX-X-C