Workman 1100/1110/2100/2110 Page 7 – 41 Chassis, Wheels, and Brakes (Rev. B)
Brake Master Cylinder Service (Workman 1110 and 2110)
Disassembly (Fig. 27)
1. Remove reservoir and flange seal. Push in on the
push rod so the stop pin can be removed.
2. Disconnect lower end of the dust cover from the
housing.
3. Push in on the push rod and remove circlip, then re-
move push rod with dust cover and clevis. Remove re-
tainer washer.
4. Remove primary piston assembly and secondary
piston assembly from cylinder housing.
Inspection
1. Clean all metal parts with isopropyl alcohol, then
clean out and dry grooves and passageways with com-
pressed air. Make sure cylinder bore and component
pieces are thoroughly clean.
2. Check cylinder bore, pistons, and springs for dam-
age or excessive wear. Replace brake cylinder assem-
bly if signs of pitting, scoring, or cracks are evident in
cylinder bore.
Assembly (Fig. 27)
1. Apply a film of clean brake fluid to cylinder bore and
piston assemblies.
2. Install secondary piston assembly and primary pis-
ton assembly into cylinder.
3. Install retainer washer.
4. Install push rod and secure in place with circlip.
Install lower end of dust cover to housing.
5. Push in on push rod so stop pin can be installed to
retain secondary piston assembly, then install flange
seal and reservoir.
1. Reservoir
2. Flange seal
3. Stop pin
4. Secondary piston assy
5. Clevis
6. Jam nut
7. Dust cover
8. Push rod
9. Circlip
10. Retainer washer
11. Primary piston assy
12. Cylinder housing
Figure 27
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and Brakes
Chassis, Wheels,
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