User Manual
Argo Service Manual Brake System
BR-23
Ontario Drive & Gear Limited www.argoutv.com
PH.(519)- 662-2840 FAX (519)- 662-2421
4. Clean all components with alcohol or a mild soap solution. Use compressed air to
blow out the master cylinder castings. This will free up any dirt or other contaminants
you could not reach with the cloth.
Master Cylinder Servicing & Inspection
NOTE
Use only genuine ARGO parts.
1. Thoroughly inspect all components of the master cylinder assembly and replace any
worn, cracked or broken parts.
2. Inspect the condition of the piston. Replace the piston immediately if it is:
Scratched
Pitted
rusted
scored in any way
2(a) Inspect the condition of the master cylinder housing. Replace immediately if:
the piston bore is scratched, pitted or rusted
the casing is cracked
the uid inlet hole is stripped
3. Lubricate all component parts with clean fresh Dot 5 Silicon Brake Fluid.
4. Before assembly, a new rubber boot and new primary and secondary seals are required.
These are available in the replacement assembly Master Cylinder O- Ring Kit.
Master Cylinder Re-assembly
IMPORTANT
When re-assembling the Master Cylinder, work with clean hands, tools, and parts.
Perform the re-assembly on a clean, neat surface. Dirt or contaminants on com-
ponent parts will cause a reduction in brake efciency and may damage the brake
components. Ensure the correct O-Ring Kit for your BRAND of Master Cylinder
(Gremica or Knott). Refer to your illustrated parts manual for correct part number.
1. Slide the new primary and secondary seals on to the piston. Orient as in Photo 28.
CAUTION
Do not damage the seals during the installation. Ensure secondary seal is not twisted
when seated to the groove.