Snapper LT180H331BV series I Safety Instructions & Operator's Manual page 22

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.
4.2.8. 38" DECK LEVEL ADJUSTMENT
(SIDE TO SIDE)
NOTE: Before adjusting deck, bring tire pressure to
proper P.S.I.; front 12 P.S.I., rear 12 P.S.I..
ROD
1. Move tractor to a firm, level surface.
2. Turn engine "OFF". Remove key.
3. Place a 2-1/2" tall block under the front of the deck
centered between the front lift arms. See Figure 4.13.
FRONT OF TRACTOR
i
FIGURE 4.14
9. If the difference is less than 1/8", go to next section,
Front to rear level. If the difference is more than 1/8",
adjust as described in the following steps.
10. Loosen the front adjuster nut until adjuster moves
freely. Then tighten the nut until the adjuster moves only
when moderate force is applied to one side of the deck.
See Figure 4.15.
FRONT OF TRACTOR
CHECK
J
\
\
1-3/4" TALL
BLOCK
FIGURE 4.13
4. Place a 1-3/4" tall block under the rear of the deck
in the center. See Figure 4.13.
5. Position blades as shown and lower deck onto
blocks. See Figure 4.13.
6. Disconnect the front lift rod and the rear hanger
plates. See Figure 4.14.
7. Put the lift lever in the 3rd position from low cut.
8. Measure the distance from each blade tip to the
floor. The measurements should be within 1/8" of each
other. (Factory setting)
ADJUSTER NUT
FIGURE 4.15
11. Adjust the side to side evel of the blade tips by
moving one side of the deck up or down as needed to
obtain 1/8" or less side to side deck level.
12. After leveling deck, retighten the adjuster nut
using 30 to 40 ft. Ibs.
13. Attach the rear hanger plates to the hole that
most closely aligns with the pin on the deck lift bracket.
Secure with washer and hair pin.
14. Adjust the swivel on the front lift rod until it lines
up with the hole in the front lift bracket. (Make sure the
lift rod is at the top of the slot in the deck bracket)
Secure with hair pin.
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