679 MTD lawn tractor

User Manual - Page 22

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7.
Disconnect the stabilizer plate from the
stabilizer shaft assembly by removing the
hairpin clips and flat washers and sliding out the
rod. Refer to Figure 16.
8. Disconnect the six deck links by removing the
hairpin clips and flat washers.
9. Place the lift lever in the BLADES STOP
position.
10. Slide the deck from beneath the lawn tractor.
11. Remove the belt guards at each deck pulley by
removing the self-tapping screws. See Figure
26.
Self-Tapping Stabilizer Belt
Screws .- Plate jGuard
Belt Guard
9. Place the lift lever in the BLADES STOP
position.
10. Slide the deck from beneath the lawn tractor.
11. Remove the top deck drive belt by lifting up on
the stabilizer plate, and slipping belt off the
pulley.
12. Remove the belt cover at the two outside deck
pulleys, by removing the self-tapping screws.
13. Release the tension on the spring loaded idler
by pushing the idlertoward the rear of the deck.
14. Remove the belt from around the idler pulleys,
and remove from the throe deck pulleys.
15. Reassemble new belts, following instructions in
reverse order.
REAR DRIVE BELT
1. Place shift lever in neutral position. Unscrew the
shift knob and the speed control knob (if located
on the console). Remove the two truss head
screws which secure the transmission cover.
See Figure 27.
2. Lift the transmission cover. Unplug the safety
wire from beneath the transmission cover. See
Figure 27. Remove transmission cover.
Figure 26
12. Remove and replace the belt, reassemble
following the instructionsin reverse order.
DECK BELTS (46" DECK)
1. Place the lift lever in the engaged (all the way
forward) position.
2. Disconnect the spring which is attached to a
bracket on the transaxle, inside the dght rear
wheel. Use a spring puller or other suitable tool.
NOTE: When reassembling, make certain belt
keeper pins are assembled in the same locations
from which they were removed. See Figure 25.
3. Place the lift lever in the BLADES STOP
position.
4. Remove the belt keeper pins from "the lower
frame. See Figure 25.
5. Unhook the deck belt from the engine pulley.
6. Place the lift lever in the engaged (all the way
forward) position.
7.
Disconnect the stabilizer plate from the
stabilizer shaft assembly by removing the
hairpin clips and flat washers and sliding out the
rod. Refer to Figure 16.
8. Disconnect the six deck links by removing the
hairpin clips and flat washers.
Shift
Knob
Trues
Head Screws
Safety
Wire
.
Figure 27
Push the idler pulley toward the right side of the
unit. Lift the belt over the idler pulley.See Figure
28.
4. Remove the belt from the variable speed pulley.
5. Remove the two bolts which hold the shift lever
bracket to the frame on the left side of the unit.
Swing the bracket toward the right so the belt
can be removed from the transmission pulley.
See Figure 28.
6. Replace belt, and reassemble in reverse order.
7. Adjust the speed control as instructed in adjust-
ment section.
22
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