Brake Master Cylinder Service
Disassembly (Fig. 9)
1
2
1.
push rod so the stop pin can be removed.
Remove reservoir and flange seal. Push in on the
12
3
2.
Disconnect lower end of the dust cover from the
housing.
3.
move push rod with dust cover and clevis. Remove re-
tainer washer.
Push in on the push rod and remove circlip, then re-
4
11
4.
piston assembly from cylinder housing.
Remove primary piston assembly and secondary
Inspection
10
9
8
1.
Clean all metal parts with isopropyl alcohol, then
7
6
5
clean out and dry grooves and passageways with com-
pressed air. Make sure cylinder bore and component
pieces are thoroughly clean.
Figure 9
1.
2.
3.
4.
5.
6.
Reservoir
Flange seal
Stop pin
Secondary piston assy
Clevis
Jam nut
7.
8.
9.
10. Retainer washer
11. Primary piston assy
12. Cylinder housing
Dust cover
Push rod
Circlip
2.
Checkcylinderbore,pistonsandspringsfordamage
or excessive wear. Replace brake cylinder assembly if
signs of pitting, scoring or cracks are evident in cylinder
bore.
Assembly (Fig. 9)
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.
4.
Install retainer washer.
Install push rod and secure in place with circlip.
Install lower end of dust cover to housing.
5.
retain secondary piston assembly, then install flange
seal and reservoir.
Push in on push rod so stop pin can be installed to
Workman MDE
Page 4 -- 17
Transaxle and Brakes
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