Snapper LT145H33GBV Lawn Mower User Manual


 
17
Section 4 - ADJUSTMENT & REPAIR
WARNING
DO NOT attempt any adjustments, maintenance or
service with the engine or blade running. STOP blade.
STOP engine. Set brake. Remove key. Remove spark
plug wire from spark plug and secure wire away from
spark plug. Engine and components can be extremely
hot. Avoid burns by allowing engine and components
sufficient time to cool.
4.1 ENGINE ADJUSTMENTS & REPAIR
Refer to the engine owner's manual for those
adjustments and/or repairs that can be made by the
owner.
4.2 MOWER DECK & COMPONENT ADJUSTMENTS
The following mower deck and component adjustments
and repairs can be made by the owner. However, if there
is difficulty in achieving these adjustments and repairs, it
is recommended that these repairs be made by an
authorized SNAPPER dealer.
WARNING
Blades must stop rotating in 5 seconds or less after
blades have been turned off. DO NOT operate
machine until blade brake has been adjusted and
functioning properly. Contact your SNAPPER dealer
for assistance.
4.2.1. BLADE BRAKE ADJUSTMENT
The blade brake when properly adjusted will stop
blade rotation in 5 seconds or less when the blade
engagement lever is moved to the OFF position.
33” DECK BLADE BRAKE ADJUSTMENT
1. Blade brake adjustment is made by turning the
adjustment nut on the threaded brake rod. The brake
is initially set with 1-3/16” of thread exposed beyond
the nut. See Figure 4.1. Verify this setting before
attempting any adjustments. To tighten the brake
(stop blade rotation quicker) turn the adjustment nut
clockwise – ONE TURN ONLY.
IMPORTANT: DO NOT over-tighten blade brake.
Tighten one turn and check function of brake. If blade
stop time remains over 5 seconds, turn adjustment
nut 1 to 2 turns clockwise. If blade stop time remains
over 5 seconds, DO NOT OPERATE machine.
Contact your SNAPPER dealer for assistance.
FIGURE 4.1
38” DECK BLADE BRAKE ADJUSTMENT
The 38” deck requires no blade brake adjustment.
Blades must stop in 5 seconds or less after blades have
been turned off. If blades continue to rotate, contact your
authorized SNPPER dealer for assistance.
WARNING
DO NOT operate machine until blade brake has been
repaired and functioning properly. If blade stop time
can not be achieved with the adjustment procedure
described above, take machine immediately to an
authorized SNAPPER dealer.
1-3/16”