Binks 818830 - Page 8

81883XPage 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]
n102 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]
n119 O" Ring (1/8" x 3/4" o.d.) (4) [B]
120 Spacer (3) 873280 [Z]
n122 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]
n130 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]
n132 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]
n137 O" Ring (3/32" x 1Ć1/2" o.d.) (1) [B]
n138 U" Cup Packing (1/8" x 1" o.d.) (1) [U]
n139 U" Cup Packing (1/8" x 1Ć7/16" o.d.) (1) [B]
n140 Valve Insert (1) 873038 [CK]
n141 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.