Check Mower Blades; Check Safety Interlock System - Gizmow Formula Operator's Manual

WHAT CAN HAPPEN
The mechanical or hydraulic jacks may not be enough support or may malfunction
allowing the unit to fall, which could cause injury.
HOW TO AVOID THE HAZARD
DO NOT rely solely on mechanical or hydraulic jacks for support. Use adequate jack
stands or equivalent support.
5.1.5

Check mower blades

Service Interval: Daily
a. Stop engine, wait for all moving parts to stop, remove key and disconnect
spark plug wires.
b. Lift deck and secure in raised position as stated in Section 5.1.4.
c. Inspect blades and sharpen or replace as required.
d. Re-install the blades (if they were removed) by placing a block of wood
between the front or rear baffles and the blade then torque the blade bolts to
75-80 ft. lbs.
POTENTIAL HAZARD
Operating a mower deck with loose or weakened blade bolts can be dangerous.
WHAT CAN HAPPEN
A loose or weakened blade bolt could allow a blade rotating at a high speed to come
out from under the deck, causing serious injury or property damage.
HOW TO AVOID THE HAZARD
Replace the blade bolt after striking any foreign object. Use only the following
replacement parts:
Blade bolt ......................... P/N H15228
Blade bolt washer .............. P/N H15229
DO NOT lubricate the threads of the bolt or spindle before assembly.
Torque the blade bolt to 75-80 ft. lbs.
5.1.6

Check safety interlock system

Service Interval: Daily
a. Check starting circuit. Starter should crank with parking brake engaged, PTO
disengaged and foot pedals in the neutral position. The operator does not
need to be in the seat to start the engine.
b. Try to start with operator in seat, parking brake disengaged, PTO disengaged
and foot pedals in the neutral position - starter must not crank.
c. Try to start with operator in seat, parking brake engaged, PTO engaged and
foot pedals in the neutral position - starter must not crank.
d. Try to start with operator in seat, parking brake engaged, PTO disengaged,
and the forward pedal depressed, starter must not crank, repeat again with
the reverse pedal depressed, starter must not crank.
Formula - 20071
Maintenance & Adjustment
CAUTION CAUTION
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