Craftsman 28986 Operation Manual - Page 31

Brake, Adjustment, Battery, Charging, Engine, Adjustments

Get Craftsman 28986 - 21 HP 42 in. Zero Turn Tractor PDF manuals and user guides View all Craftsman 28986 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 31 highlights

BRAKE ADJUSTMENT 1. Stop the unit, set the ground speed levers to START/PARK positions, set the parking brake lever to the ENGAGE position, turn the ignition OFF, and wait for all moving parts to stop. Remove the key. 2. Set both transmission release levers to the PUSH position. (Refer to "Pushing the Rider by Hand".) 3. Push the rider forward to make sure both transmission brakes are fully engaged and both rear wheels are locked in the stationary position (no rotation). 4. Locate the brake rod (A, Figure 36) and adjustment nut (B). 5. Measure the parking brake spring. Its compressed length, with the parking brake lever in the ENGAGE position, should be 3-1/2" (8,89 cm). Adjust the spring length by turning the adjustment nut (B), if necessary. 3-1/2" (8,89 cm) WARNING Corrosion hazard. Batteries contain acid. Always keep the battery upright and do not spill the electrolyte. Avoid contact with skin and eyes. Explosion hazard. Changing the battery produces explosive hydrogen gas. Only charge the battery in a well ventilated area, away from any ignition source such as a water heater, electric motor, or a lit cigarette. Wear Protective Equipment Always wear gloves and safety glasses when handling the battery and battery cables. BATTERY CHARGING A dead battery or one too weak to start the engine may be the result of a defect in the charging system or other electrical component. If there is any doubt about the cause of the problem, contact your local dealer. If you need to replace the battery, follow the steps under Cleaning the Battery & Cables in the Regular Maintenance Section. Figure 36. Brake Adjustment A. Brake Rod B. Adjustment Nut C. Return Spring (Removed for Illustration Only) D. Return Spring Hole To charge the battery, follow the instructions provided by the battery charger manufacturer as well as all warnings included in the safety rules sections of this book. Charge the battery until fully charged (until the specific gravity of the electrolyte is 1.250 or higher and the electrolyte temperature is at least 60 ° F). Do not charge at a rate higher than 10 amps. ENGINE ADJUSTMENTS The engine is designed to deliver the correct performance under all operating conditions. Any adjustments must be performed by a Sears or other qualified service dealer. 31

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
  • 101
  • 102
  • 103
  • 104
  • 105
  • 106
  • 107
  • 108
  • 109
  • 110
  • 111
  • 112
  • 113
  • 114
  • 115
  • 116
BRAKE
ADJUSTMENT
1. Stop the unit, set the ground speed levers to
START/PARK positions,
set the parking brake lever to
the ENGAGE position, turn the ignition OFF, and wait
for all moving parts to stop. Remove the key.
2. Set both transmission
release levers to the PUSH
position. (Refer to "Pushing the Rider by Hand".)
3. Push the rider forward to make sure both transmis-
sion brakes are fully engaged and both rear wheels
are locked in the stationary
position (no rotation).
4. Locate the brake rod (A, Figure 36) and adjustment
nut (B).
5. Measure the parking brake spring. Its compressed
length, with the parking brake lever in the ENGAGE
position, should be 3-1/2" (8,89 cm). Adjust the spring
length by turning the adjustment
nut (B), if necessary.
3-1/2"
(8,89
cm)
WARNING
Corrosion
hazard.
Batteries contain acid.
Always keep the
battery
upright and do not spill the
electrolyte.
Avoid contact with skin and
eyes.
Explosion
hazard.
Changing
the battery
produces explosive
hydrogen gas.
Only charge the battery in a
well ventilated
area, away
from
any ignition
source such as a water heater, electric
motor, or a lit cigarette.
Wear Protective Equipment
Always wear gloves and safety glasses
when handling
the battery and battery
cables.
BATTERY
CHARGING
A dead battery or one too weak to start the engine may
be the result of a defect in the charging system
or other
electrical
component.
If there is any doubt about the
cause of the problem, contact your local dealer. If you
need to replace the battery, follow the steps under
Cleaning the Battery & Cables in the Regular
Maintenance
Section.
Figure 36.
Brake Adjustment
A. Brake Rod
B. Adjustment
Nut
C. Return Spring (Removed
for
Illustration
Only)
D. Return Spring
Hole
To charge the battery, follow the instructions
provided by
the battery charger manufacturer
as well as all warnings
included in the safety rules sections of this book. Charge
the battery until fully charged (until the specific gravity of
the electrolyte
is 1.250 or higher and the electrolyte
tem-
perature is at least 60° F). Do not charge at a rate higher
than 10 amps.
ENGINE
ADJUSTMENTS
The engine is designed to deliver the correct perform-
ance under all operating
conditions. Any adjustments
must be performed
by a Sears or other qualified service
dealer.
31