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  Hydraulic Brakes Replacement Parts:
    Brake Assemblies
    Auxilary Components
    Air-Releasing Cylinder
 		Disc Brake Power Clusters
Air-Over-Hydraulic Panels
Air-Over-Hyd. Panel Components
    Auxilary Components:
      HM Control Units
      Hydraulic Brake Actuator
      Control Cylinder and Pedal
      10, 14, and 18 HM Parking Cylinder
      Misc Fittings, Tubing, and Accessories
      Fluid Reservoir Bleeder and Pushbutton
 
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 GEMCO Hydraulic Brake Systems Parts Manual:
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GEMCO Industrial Brake Systems Replacement Parts
AUXILARY COMPONENTS
Control Cylinder and Pedal
 
Control Cylinders (J16320 - J17616 - J19907) and Pedal (J8219)
 
The control cylinders below replace equivalent assemblies, which are identified by the nameplate on the top of the supply tank. Similar J17617, 2" diameter control cylinders as well as 2" diameter head & barrels and repair kits are no longer manufactured and must be replaced by 1¾" diameter J17616 control cylinders. J17616 control cylinders
 		 
 must also replace obsolete 1¾" J8142 and J9337 control cylinders. However, new ½" mounting holes must be drilled to match the smaller assembly. Casting numbers are included in the part name tabulation to assist in identification. The head & barrel diameter can be determined without removal from control cylinder by measuring extension of "nose."*
 
18" pedals replace all old assemblies, including 21" and 24" pedals as well as 13¼" automotive and pendulum type pedals which are no longer available.
 
 

 
* 1.85" = 1½" diameter. Use control cyl. J16320,
                head & barrel J16307.
 
    2.85" = 1¾" or 2" diameter. (1¾" has X cast on
                side). Use control cyl. J17616, head &
                barrel J6912.
 

 
Item
No.		 Part Description No.
Used		 Part No.
1
2
3
3a
 
 
 
 
 
4
5
6
7
8
9
10
11
12
13
 
 
 
14
15
16
17
18
19
 Filler Plug
Filler Plug Gasket
17615 Supply Tank
Control Cylinder Assy,
less pedal
  1½" Diameter
  1¾" Diameter
  1¾" Diameter (Screened breather
  replaces items 28 & 29)
Shaft
Lever
½" Lockwasher
½-20x2" Cap Screw
O Ring
Retainer Plate
Snap Ring
Felt Seal
Felt Retainer
   |
  |
  |   J10799 Kit
  |
  |
Head & Barrel Assy.
(Items 14-19a, 27-30)
  16308 1½" Diameter
  6911 1¾" Diameter
Valve & Seat
Head & Barrel
Retainer Spring
Piston Cup
Piston
Support Ring
   |
  |   J19039 Kit
  |         or
  |   J19040 Kit
  |
  |
1
1
1
1
 
 
 
 
 
1
1
1
1
1
1
1
1
1
1
 
 
 
1
1
1
1
1
1
 (10)
(10)
 
 
 
J16320
J17616
J19907
 
J17611
J7158
(2)
(2)
 
 
 
 
 
 
 
J16307
J6912
(4)
 
(4)
(4)
(4)
(4)
Item
No.		 Part Description No.
Used		 Part No.
19a
20
21
22
23
24
25
26
27
28
29
31
32
33
34
36
37
38
 Piston Stopwire
Spring & Case Assy.
Shaft Pin
Sleeve Arbor
Spring Case Gasket
Case Washer
#10 Lockwasher
Stainless Allen Screw
F17 Copper Gasket
Bleeder Screw Adaptor
Bleeder Screw
1396 Head Gasket
7/16" Lockwasher
7/16"-14x1¼" Cap Screw
Pedal Assy.
½"-20x2¼" Bolt
½" Lockwasher
½"-20 Nut
 		1
1
1
1
1
3
3
3
5
1
1
1
4
4
1
1
1
1
  
J17626
(8)
(8)
(8)
(8)
(8)
(8)
J105376
J7346
F6446
(9)
(2)
(2)
J8219
(2)
(2)
(2)
 
(2) Standard hardware items. Obtain locally.
(4) Use either Kit K19039 for 1½" Head & Barrel
      or Kit J19040 for 1¾" Head & Barrel (items
      14, 16-19)
(8) Order Gasket Kit J73923
(9) Included in item 13, Head & Barrel Assy.,
      or (4) or (5) Head & Barrel Repair Kits
(10) Order J105377 Filler Plug/Gasket Kit