Simplicity AGCO Allis 2000 Series, Service & Repair Manual

Page: 31 / 312

3 - 7
3 Maintenance
Maintenance Procedures – All Models
TIGHTEN
Figure 7. Installing the Blade
A. Wood Block
C. Spring Washer
B. Spline Washer D. Capscrew
A
D
B
C
SAFETY
INTERLOCK SYSTEM
This unit is equipped with safety interlock switches
and other safety devices. These safety systems are
present for your safety, do not attempt to bypass
safety switches, and never tamper with safety
devices. Check their operation regularly.
Operational SAFETY Checks
Your unit is equipped with a seat switch safety sys-
tem. Check the seat switch operation every fall and
spring with the following tests.
Test 1 — Engine should NOT crank if:
• PTO switch is engaged, OR
• Brake pedal is not fully depressed (or parking is
not engaged), OR
• Cruise control is engaged.
Test 2 — Engine SHOULD crank if:
• PTO switch is NOT engaged, AND
• Brake pedal is fully engaged (or parking brake is
engaged), AND
• Cruise control is in NEUTRAL position.
Test 3 — Engine should SHUT OFF if:
• Operator rises off seat with PTO engaged, OR
• Operator rises off seat with brake pedal NOT
fully depressed (or parking brake disengaged),
Test 4 — Blade Brake Check
Mower blades and mower drive belt should come to
a complete stop within five seconds after electric
PTO switch is turned off (or operator rises off seat).
If mower drive belt does not stop within five sec-
onds, see your dealer.
NOTE: Once the engine has stopped, PTO switch
must be turned off after operator returns to the seat
in order to start the engine.
WARNING
If the unit does not pass a safety test, do not
operate it. See your authorized dealer. Under
no circumstance should you attempt to defeat
the purpose of the safety interlock system.
BLADE BRAKE CHECK
Mower blades and mower drive shaft should come to a
complete stop within five seconds after electric PTO
switch is turned off.
1. With tractor in neutral, PTO disengaged, and operator
in seat, start the engine.
2. Engage the PTO and wait several seconds.
Disengage the PTO and check the amount of time it
takes for the mower drive shaft to stop.
3. If mower drive shaft does not stop within five sec-
onds, adjust PTO clutch air gap (see Section 4,
ADJUSTMENTS).
Not
for
Reproduction