20
Section 4 - ADJUSTMENT & REPAIR
4.2.4. ADJUSTING MOWER BLADE – 33” DECK
(Continued from previous page)
FIGURE 4.5
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.
NOTE: On 33” decks, the measurement between the blade
tip and deck lip should be 5/16".
5. Repeat steps 2 and 3 with blade tip “B”.
6.
If measurement between blade tips and deck are
different and there is more than 1/16” difference between
blade tip measurements, adjust blade as follows:
a. Loosen jam-nuts on blade bar.
b. Adjust jack screws “IN” or “OUT” until blade
tip measurements are within 1/16” of each other.
See Figure 4.6.
c. Tighten jam-nuts.
FIGURE 4.6
4.2.5. 33" DECK LEVEL ADJUSTMENT (SIDE TO SIDE)
NOTE: Adjust tire pressure, 12 P.S.I. front and rear,
before adjusting deck.
1. Move tractor to a firm, level surface.
2. Turn engine "OFF". Remove key.
3. Place a piece of angle iron under center rear of deck.
4. Remove hair pins and washers securing rear of deck
to sector plates. See Figure 4.7.
5. Slide sector off of pins and carefully lower deck onto
angle iron.
6. Rotate blade(s) until blade tips are at each side of
deck.
7. Measure distance from blade tip to floor on each side
of deck. Blade tips should be within 1/8" of each other for
the deck to be considered level. See Figure 4.8.
FIGURE 4.7
FIGURE 4.8
8. If measurement differs more than 1/8", adjust as
follows:
a. Loosen front lift arm pivot bolt on front of right side rail.
See Figure 4.9.
FIGURE 4.9
SECTOR PLATE
REMOVE
HAIRPIN &
WASHER
33” DECK SHOWN
SIDE TO SIDE VIEW
MEASURE
FROM BLADE
TIPS TO FLOOR
ANGLE IRON
LOOSEN PIVOT BOLT
LOOSEN SHOULDER
BOLT
TURN ECCENTRIC
AS REQUIRED
MEASURE THE DISTANCE
BETWEEN DECK LIP AND
BLADE TIP
JAM NUT
SIDE VIEW OF DECK
LOOSEN JAM NUTS, ADJUST
JACK SCREWS “IN” OR
“OUT” TO LEVEL BLADE WITH
JACK SCREW
Summary of Contents for WLT170H38IBV
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