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  GEMCO Type H & HM Installation, Dimensions
     and Service Manual:

  Type H Brake System
  Type HM Brake System
  General
  Brake Dimensions
  Air-Over-Hydraulic (Type A/H)
     Brake System
  Air-Over-Hydraulic Parking
     (Type A/HM) Brake System
  Type A/H and A/HM General
     Information
  General Troubleshooting
  Brake Wheel Service
     Instructions
  Hose and Tubing Installation
     Kits
  Replacement Parts (Incl.
     Miscellaneous Accessories)
  Brake Fluid Specifications
  Type H to HM Conversion
     Instructions
 
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 GEMCO Type H & HM Installation, Dimensions and
 Service Manual:
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REPLACEMENT PARTS
5/16" Tubing, 1/2"-20 SAE Fittings & Misc. Accessories
J15555 RIGHT ANGLE KIT
Provides right angle swivel connection and bleeder screw port for any 1/2"-20 cylinder port. This assembly is furnished as standard on 6" and 8" type HM brake parking cylinder. Must be ordered separately if required for any other port.
UNION AND ADAPTOR FITTINGS
 
J49087 UNION (Replaces FC4080)
J269 ADAPTOR
F11955 ADAPTOR
J71052 ADAPTOR
A
1/2-20*
1/2-20*
1/2-20*
1/2-20*
B
1/2-20*
1/2-20**
1/4-18 NPT.
7/16-24
COPPER GASKETS
Part
No.
A
B
C
F17
F602
F603
1/32"
1/32"
1/32"
33/64"
1/2"
19/32"
45/64"
13/16"
13/16"
30-INCH ARMORED HOSE
J10160
F5780
J10797
HOSE ASSEMBLY - only
HOSE BRACKET - anchors hose at * long thread
HOSE KIT - includes hose, F-17 gasket for seal at **
short thread, F5780 hose bracket, 1/2-20 jam nut and lock washer
J24684 HYDRAULIC PRESSURE SWITCH
1 pole - 2 position electric contact. Easily read dials allow field ad justment of 50-500 psi pressure range and 10-80 psi pressure differential. This replacement part for HM control unit may also be line mounted in parking cylinder hydraulic line to replace function of obsolete J14853 mechanical limit switch in old HM-2 system or J9738 pressure switch in old HM system.
J18377 TWO-WAY HYDRAULIC CHECK VALVE
This assembly is required for operation of brake system from more than one control station.
 
* 45° Chamfer, mates flared tubing and J86 tube nut
** Requires F-17 Gasket Seal at cylinder port
 
F9314 21B SUPER HEAVY DUTY BRAKE FLUID (6-1 GAL. CASE)
 
Industrial Brake Systems must be filled only with 21B Super Heavy Duty Brake Fluid meeting SAE J1703 specifications. Do not use mineral oil or any other substitute. Avoid contamination. Purchase brake fluid in 1-gallon cans that can be easily carried to the job site and discarded when empty.