Mower Blade Replacement - Snapper 421620BVE Safety instructions & operator's Manual

Section 4 - ADJUSTMENTS & REPAIR
WARNING
DO NOT attempt any adjustments, maintenance,
service or repairs with the engine running. STOP
engine. STOP blade. Engage parking brake. Remove
key. Remove spark plug wire from spark plug and
secure away from plug. Engine and components are
HOT. Avoid serious burns, allow all parts to cool
before working on machine. Fuel Filler Cap and vent
must be closed securely to prevent fuel spillage.
4.3 REAR ENGINE RIDER DRIVE COMPONENTS
4.3.2. WHEEL BRAKE ADJUSTMENT
(Continued From Previous Page)
IMPORTANT: If the Rear Engine Rider will be on its rear
bumper for longer than two hours, remove the battery,
Refer to Section "BATTERY REMOVAL",
5. Measure the distance between end of
clutch/brake cable and bottom of housing.
Measurement should be no less than 112" and no
greater than 3/4". See inset, Figure 4.9.
CHAIN
CASE I | I
4.4
BRAKE CABLE
CASE
/
FIGURE 4.10
MOWER BLADE REPLACEMENT
4.4.1. BLADE WEAR LIMITS
1. Inspect blade frequently for signs of excessive
wear or damage. See Figure 4.1 1.
HOUSING
CABLE
COTTER-
HOUSING
COTTER PIN
NEW BLADE
_,_L'_ WEAR LIMIT
• _,,,.%,_..,,._ (NOTCH STARTS)
-_ DANGEROUS CONDITION!
_4E_'_ DO NOT USE ON MOWER!
o- ____._jl REPLACE WITH NEW
BLADE.
FIGURE 4.9
6. If measurement is less than 1/2" or greater than
314", loosen the two jam-nuts (shown in Figure 4.10)
holding the clutch/brake cable to the chain case
bracket.
7. Adjust cable up or down using the jam-nuts to
obtain a distance of 1/2" to 314" between end of
clutch/brake cable and bottom of housing. See Figure
4.9.
8. After adjustment is complete, securely tighten cable
jam-nuts.
FIGURE 4.11
k, WARNING
Blades are extremely sharp and can cause severe
injuries. Wear heavy leather gloves when working on or
handling blades. DO NOT use blades that show signs
of wear or damage.
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