Brake Master Cylinder Service
Testing
1
2
1.
bled.
Insure that brake system is properly adjusted and
12
3
2.
Apply light pressure to brake pedal.
3.
If brake pedal fades or falls away while applying light
pressure to pedal, the master cylinder should be ser-
viced.
4
11
Disassembly (Fig. 12)
1.
Remove reservoir and flange seal. Push in on the
push rod so the stop pin can be removed.
2.
housing.
Disconnect lower end of the dust cover from the
10
9
8
7
6
5
3.
move push rod with dust cover and clevis. Remove re-
tainer washer.
Push in on the push rod and remove circlip, then re-
Figure 12
1.
2.
3.
4.
5.
6.
Reservoir
Flange seal
Stop pin
7.
8.
9.
Dust cover
Push rod
Circlip
4.
piston assembly from cylinder housing.
Remove primary piston assembly and secondary
Secondary piston assy
Clevis
10. Retainer washer
11. Primary piston assy
12. Cylinder housing
Jam nut
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. Note: Do not hone bore of brake cylinder.
Assembly (Fig. 12)
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.
Push in on push rod so stop pin can be installed to
retain secondary piston assembly, then install flange
seal and reservoir.
Chassis
Page 8 – 14
Multi Pro 1200/1250
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
|---|---|
| Tags | Toro Multi Pro 1200, Toro Multi Pro 1250 |
| Download File |
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| Document Type | Service Manual |
| Language | English |
| Product Brand | Toro. Customer Service Representatives are available by phone:
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| Publisher | toro.com |
| Wikipedia's Page | Toro Company |
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