Section 4 - ADJUSTMENT & REPAIR
4.2.4.ADJUSTING MOWER BLADE – 33” DECK (Continued from previous page)
MEASURE THE DISTANCE
BETWEEN DECK LIP AND
BLADE TIP
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
b.Adjust jack screws “IN” or “OUT” until blade tip measurements are within 1/16” of each other. See Figure 4.6.
c.Tighten
LOOSEN JAM NUTS, ADJUST
JACK SCREWS “IN” OR “OUT”
TO LEVEL BLADE WITH DECK
JACK SCREW
JAM NUT
SIDE VIEW OF DECK
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.
SECTOR PLATE
REMOVE
HAIRPIN &
WASHER
FIGURE 4.7
33” DECK SHOWN SIDE TO SIDE VIEW
MEASURE | ANGLE IRON |
FROM BLADE |
|
TIPS TO FLOOR |
|
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.
LOOSEN PIVOT BOLT
LOOSEN SHOULDER
BOLT
TURN ECCENTRIC
AS REQUIRED
FIGURE 4.9
20