GEMCO Hydraulic Actuating Cylinders

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GEMCO Industrial Brake Systems Replacement Parts
AUXILARY COMPONENTS
Hydraulic Brake Actuator

Hydraulic Actuating Cylinders J7905, J8765, J23437

Three alternative hydraulic actuating cylinders are available J7905, 1-1/8" dia. or J23437, 7/8" dia. actuators fit all Gemco Industrial Brakes. J8765, 1/8" dia. "short stroke" actuators fit some other non-Gemco brakes.

Identify assembly from nameplate band on the sleeve or from dimensions below. These assemblies may be substituted for some obsolete actuators, some of which include clevis mounting at both ends. Check mounting dimensions carefully.

Actuating Cylinder Assy. No.
Cylinder Body Casting No.
Internal Cylinder Dia.
Outside Sleeve Dia. (X)
Clevis Width (Y)
Compressed Length (Z)
Max. Working Stroke

J23437
JFD23438
7/8"
1-3/8"
1-1/8"
9-13/16"
3"

J7905
JFD7985
1-1/8"
1-5/8"
1-3/8"
9-13/16"
3"

J8765
JFD7985
1-1/8"
1-5/8"
1-3/8"
8-1/8"
2-1/2"

Replacement Parts List

Disassembled view of actuating cylinder

Item	Actuator Cylinder Assy. No.
Item	J23437	J7905	J8765
5-9, 11 Repair Kit 8 Cup (available 10 lot pack only) 11 Boot (available 10 lot pack only) 25 lot pack F17 Gasket 13 Bleeder Screw Adaptor 14 Bleeder Screw 5, 6, 7, 8 & 11 Seal Kit	J73911 J23447 J2395 J105376 J7346 F6446 J98133	J73912 J9704 J2395 J105376 J7346 F6446 J98134	J73913 J9704 J2395 J105376 J7346 F6446 J98134
Replace complete assembly if items 1 or 10 are not serviceable