Toro 08160SL Workman MD MDX Service Manual

Inspection (Fig. 20)
Inspect brake drums.
Assembly (Fig. 20)
1.
IMPORTANT: Brake  shoe lining surfaces  must be
free of grease, oil and other foreign matter.
IMPORTANT: Brake drum machining is not recom-
mended. Replace brake drums as a set to maintain
equal braking forces.
1.  Apply a light film of lubricant to the following:
A.  Ledges on which the brake shoes rest.
B.  Pin surfaces on adjuster levers.
A.  Clean  drums  with  denatured  alcohol.  Check
braking surface diameter in at least three places. If
the diameter exceeds 6.320 inches (160.5 mm), re-
place both brake drums.
C. Anchor block surface that contacts shoe webs.
D. Both surfaces of belleville washers that are posi-
tioned between adjuster levers and backing plate.
B.  Replacedrumsthatarecracked,deeplygrooved,
tapered,  significantly  out--of--round,  scored,  heat
spotted or excessively rusted.
2.
If removed, position lubricated belleville washer be-
tween lever adjuster and backing plate. Secure adjuster
to backing plate with washer and bolt. Torque bolt from
C. Minor scoring can be removed with sandpaper.
110
to 120 in--lb (12.4 to 13.6 N--m).
2.
Inspect brake shoe linings.
3.
with two (2) washer head screws. Torque screws from
110
If removed, secure wheel cylinder  to backing plate
IMPORTANT: Replace brake shoes as a set (all four
shoes) to maintain equal braking forces.
to 120 in--lb (12.4 to 13.6 N--m).
A.  Replace brake shoes  if damaged or  if lining is
worn to 1/16” (1.6 mm). Replace if lining is contami-
nated by oil, grease or other fluids.
4.
ver into slot and dust cover in backing plate.
Ifremovedfrombackingplate,slideparkingbrakele-
5.
Position brake  shoes to backing  plate. Make sure
NOTE:  Overheated springs lose their tension, and
can cause brake linings to wear out prematurely.
that each shoe is properly positioned  at anchor block,
parking brake lever, wheel cylinder and pin on adjuster
lever. Secure  shoes to  backing plate  with shoe  hold
down cups and springs.
B.  Inspect brake  shoe webbing,  upper and lower
springs and shoe hold down springs for overheating.
Overheating is indicated  by a slight  blue color. In-
spect brake shoe webbing for deformation. Replace
parts as necessary.
CAUTION
C. Inspect  hold  down pins  on adjuster  levers  for
bends, rust and corrosion. Replace as necessary.
Be  careful  when   installing  springs  to  brake
shoes. The  springs are  under heavy  load and
may cause personal injury.
3.
Inspect backing plate surfaces,  which contact with
the  brake shoes  for  grooves that  may  restrict shoe
movement.  Replace plate  if grooves  can  not be  re-
moved by light sanding with emery cloth or  other suit-
able  abrasive.  Replace plate  if  cracked,  warped  or
excessively rusted.
6.
Secure brake shoes with upper and lower springs.
4.
ers if deformation or excessive rust is found.
Inspect adjuster levers for deformation. Replace lev-
5.
Replace parking brake cables if frayed, stretched or
kinked.
Workman MD/MDX
Page 7 -- 31
Chassis
Product Specification
CategoriesLawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals
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- 178 pages
Document TypeService Manual
LanguageEnglish
Product BrandToro. Customer Service Representatives are available by phone: Monday - Friday 7:30 a.m. to 9:00 p.m. (CDT) - Saturday 8:00 a.m. to 8:00 p.m. (CDT) - Sunday 10:00 a.m. to 8:00 p.m. (CDT)
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