ARO 612041 Series Посібник оператора - Сторінка 2
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PARTS LIST / AIR MOTOR SECTION
Item
Description
(size in inches)
1 Cap
2 Washer
n 3
"O" Ring
(3/32" x 2-5/16" o.d.)
4 Spring
5 Button
6 Cylinder
n 7
Spacer and Piston Assembly
8 Screw
(#4 - 40 x 3/8")
9 Valve Plate
10 Piston Assembly
11 Valve Spacer
n 12
Gasket
13 Plunger Tip
n 14
"O" Ring
(1/8" x 1-1/4" o.d.)
15 Plunger
n 16
"O" Ring
(3/32" x 2-1/16" o.d.)
17 Spring
18 Pump Body
n 19
"O" Ring
(.275" x 1.837" o.d.)
20 Ground Screw
(#10 - 32 x 1/4")(page 3)
21 Dowel Pin
(3/16" dia. x 1-1/8")
Parts in Repair Kit
n
MATERIAL CODE
[A] = Aluminum
[CI] = Cast Iron
[B] = Nitrile
[Co] = Copper
[Br] = Brass
[D] = Acetal
[C] = Carbon Steel
[NY] = Nylon
PUMP DISASSEMBLY
NOTE: All threads are right hand.
1. Place the 2"differential pump in a vise. Rotate the pump so the ma-
terial outlet is resting against the vise jaw. CAUTION: Do not clamp
the pump too tightly.
2. Place a strap wrench around the (1) cap and remove the cap. If the
(6) cylinder comes off with the (1) cap, place the cap in a vise and
use a strap wrench around the (6) cylinder to unscrew it from the
cap. NOTE: Do not squeeze or use a pipe wrench on (6) cylinder.
Page 2 of 4
Qty Part No.
[Mtl]
(1)
76073-2
[A]
(1)
77290
[C]
(1)
Y325-138
[B]
(1)
77208
[C]
(1)
90638
[C]
(1)
76074-2
[A]
(1)
61088
(3)
Y222-54-C
[C]
(1)
76090
[C]
(1)
60656
[
]
B/C
(1)
76856
[D]
[Co]
(1)
F21-53
(1)
77794
[C]
(1)
Y325-214
[B]
(1)
76215
[C]
(1)
Y325-134
[B]
(1)
76070
[C]
(1)
77807
[A]
(1)
77803
[B]
(1)
93005
[C]
(1)
Y148-29
[C]
637084
[SS] = Stainless Steel
[T] = PTFE
[U] = Urethane
[V] = Viton
Figure 3
2
8
9
7
10
11
13
21
16
1/4 N.P.T.F. - 1
3. Remove (3) "O"ring.
4. Usinga strapwrench, asshowninfigure 3, unthreadandremove the
(6) cylinder from the (18) pump body.
5. Remove (16) "O"ring from the (18) pump body.
6. Unthread and remove (7) spacer and piston assembly from the (13)
plunger tip.
7. Remove (12) gasket from (13) plunger tip.
8
9
10
11
Figure 4
Figure 2
22
35
37
38
39
(continued on page 4)
1
3
4
5
6
12
14
15
17
18
19
612041-X