81883X
Page 8 of 12
PARTS LIST / 81883X AIR MOTOR SECTION
(
n
) Indicates parts included in 862004 Air Section Repair Kit.
Item Description
(size in inches)
Qty Part No.
[Mtl]
Item Description
(size in inches)
Qty Part No.
[Mtl]
101 Motor Body
(1) 873297
[P]
n
102 O" Ring
(3/32" x 1" o.d.)
(2)
[B]
103 Sleeve
(1) 873023
[Bz]
104 Snap Ring
(13/16")
(2)
[C]
111 Spool
(1) 873298
[D]
118 Pilot Rod
(818831, 818834, 818835, 818838)
(1) 873011
[C]
(818830, 818832, 818833, 818836, 818837)
(1) 873000
[C]
n
119 O" Ring
(1/8" x 3/4" o.d.)
(4)
[B]
120 Spacer
(3) 873280
[Z]
n
122 Snap Ring
(1/2")
(2)
[C]
124 Stud
(5/16" Ć 18 x 1Ć1/2")
(818831, 818832, 818833, 818835, 818836)
(8)
[SS]
129 Muffler
(1) 873299
[P]
n
130 Gasket
(1)
[SY]
131 Bolt
(5/16" Ć 18 x 1Ć1/4")
(models 818830, 818834, 818837, 818838)
(16)
[SS]
(818831, 818832, 818833, 818835, 818836)
(8)
[SS]
n
132 Gasket
(1)
[B]
133 Washer
(9/32" i.d.)
(4)
[SS]
134 Cap Screw
(1/4" Ć 20 x 5")
(4)
[SS]
135 Valve Block
(1) 873300
[P]
136 Plug
(1) 873301
[D]
n
137 O" Ring
(3/32" x 1Ć1/2" o.d.)
(1)
[B]
n
138 U" Cup Packing
(1/8" x 1" o.d.)
(1)
[U]
n
139 U" Cup Packing
(1/8" x 1Ć7/16" o.d.)
(1)
[B]
n
140 Valve Insert
(1) 873038
[CK]
n
141 Valve Plate
(1) 873039
[CK]
142 Washer
(2) 873302
[Z]
143 Plate
(2) 873303
[SS]
n
Keylube, O" Ring Lubricant
(1)
MATERIAL CODE
[B] = Nitrile
[D] = Acetal
[U] = Polyurethane
[Bz] = Bronze
[P] = Polypropylene
[Z] = Zinc
[C] = Carbon Steel
[SS] = Stainless Steel
[CK] = Ceramic
[SY] = SynĆSeal
DIAPHRAGM PUMP SERVICE
GENERAL SERVICE NOTES:
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
7/16" wrench, 1/2" wrench, 7/16" socket, 1/2" socket, torque
wrench (measuring inch pounds), O" ring pick.
FLUID SECTION DISASSEMBLY
1. Remove (61) top manifold.
2. Remove (19) O" rings, (21) seats and (22) balls.
3. Remove (60 or 35) bottom manifold.
4. Remove (19) O" rings, (21) seats and (22) balls.
5. Remove (15) fluid caps.
6. Remove (14) bolt, (6) diaphragm washer, (7 / 8) diaphragms and (5)
washer.
7. Remove (1) connecting rod from air motor.
8. Carefully remove remaining (14) bolt, (6) diaphragm washer, or (7 /
8) diaphragms and (5) washer from (1) connecting rod. Do not mar
surface of connecting rod.
9. Remove (2) O" ring from connecting rod.
FLUID SECTION REASSEMBLY
S
Reassemble in reverse order.
S
Lubricate (1) connecting rod and (2) O" ring with KeyĆLube or equivĆ
alent O" ring lubricant.
S
Install (5) washers with i.d. chamfer toward diaphragm.
S
When replacing PTFE diaphragms, install the (8) Santoprene diaĆ
phragm behind the PTFE diaphragm.
S
Before tightening (39) nut on (38) carriage bolts on (36) swivels, atĆ
tach the manifold / swivel assembly to the (15) fluid caps. Rotate the
(36) swivel to the desired position and tighten each of the (39) nuts
approximately 8 Ć 9 turns, then finish tightening the (39) nuts.
Содержание 818830
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