Index
Qty
Part #
Description
1
4
H-31396-M
Spirol Pin,
1
⁄
4
x 1
3
⁄
4
2
1
C-20185-BW
Spring Regulator, R.H. Worm Gear
3
1
H-30744-M
Dowel Pin .25 x 1.25
4
2
H-01490-M
Flange, Bearing, BRZ. 1
1
⁄
2
" DIA x 1
1
⁄
4
" LG
5
2
H-32283-M
Retaining Ring, CST ZP
6
2
H-32282-M
Bearing, Cylindrical, Bronze
7
1
H-30743-M
Washer, Thrust, ZP,
7
⁄
8
"
8
1
C-20184-EW
Drive Worm, Torsion Spring
9
2
H-30741-M
Screw, Drive #10 x
3
⁄
8
"
10
1
H-30740-M
Worm Cover Plate, Spring Balance
11
1
H-30018-M
Bolt,
1
⁄
2
"-13 x 3
1
⁄
2
12
1
H-30049-M
Jam Nut, Hex, CST, ZP,
1
⁄
2
"-13
13
1
E20074D1
790 Support Bracket, D1
14
2
H-30321-M
Retaining Ring, CST,
5
⁄
8
"
15
1
D-00350-D1
Spring Arm, PTD, D1
16
1
H-30320-RE
Pin, Torsion Spring, SST
Index
Qty
Part #
Description
17**
1
E-20041-D1
Link Arm, D1
18
4
H-31278-M
Socket Head Screw, ZP, .31-18 X 1"
19
2
H-02507-M
Lockwasher, CP,
5
⁄
8
"
20
2
H-05910-M
Screw, Hex Cap, CST, ZP,
5
⁄
8
"-11 x 1
3
⁄
4
"
21
1
E20181
790 Spring Balance Cover, RH
22
2
H32321M
Spring Cover Latch (SouthCo)
23
4
H32322M
Screw, Thread Forming, 8-32
24
1
C-00626-M
Spring, Torsion, C
25
1
H-30742-RS
Bar, Safety
26
1
H-01489-D1
Snubber Block, RH, D1
27
4
H-03563-M
Washer, Lock, ZP,
5
⁄
16
"
28
1
H-01486-RB
Snubber Retainer, Brass, 1
1
⁄
8
-12 x
1
⁄
2
"
29
1
H-01487-RE
Snubber Plunger, SST,
15
⁄
16
" DIA x 1
9
⁄
16
" LG
30
1
H-01502-M
Spring, Compression, ZP
31
1
C00635D1
Support, RH Side, D1
www.opw-es.com
Parts List: 790 Series Counterbalance
*
*790C (Right-Hand) shown in image. Spring Coil (24) would change depending on model.
** For 790A Units, Link Arm (17) would be C00636DI.
