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 22

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.

Figure 26  

12. Remove and replace the belt, reassemble

following the instructions in 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 right 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.

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 idler toward the rear of the deck.

14. Remove the belt from around the idler pulleys,

and remove from the three 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 27  

3.

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.

Self-Tapping

Screws

Belt

Guard

Belt Guard

Stabilizer

Plate

Deck

Pulleys

Shift

Knob

Truss

Head Screws

Safety

Wire

Summary of Contents for 660-679 Series

Page 1: ...or grass covered land unless the engine s exhaust system is equipped with a spark arrester meeting applicable local or state laws if any If a spark arrester is used it should be maintained in effectiv...

Page 2: ...top the blade s when crossing gravel drives walks or roads Be sure the area is clear of other people before mowing Stop machine if anyone enters the area Never carry passengers Disengage blade s befor...

Page 3: ...rass Reduced traction could cause sliding Do not try to stabilize the machine by putting your foot on the ground Do not use grass catcher on steep slopes 3 CHILDREN Tragic accidents can occur if the o...

Page 4: ...Muffler engine and belt guards become hot during operation and can cause a burn Allow to cool down before touching Do not change the engine governor settings or overspeed the engine Excessive engine...

Page 5: ...every 10 feet A riding mower could overturn and cause serious injury If operating a walk behind mower on such a slope it is extremely difficult to maintain your footing and you could slip resulting in...

Page 6: ...seat pivot bracket The model plate will look like Figure 2 Figure 2 SECTION 3 CALLING CUSTOMER SUPPORT If you are having difficulty assembling this product or if you have any question regarding the co...

Page 7: ...oves and apron when working with it B Should battery acid accidentally splatter into the eyes or onto the face rinse the affected area immediately with clean cold water If there is any further discomf...

Page 8: ...our battery it MUST BE CHARGED prior to initial use CHARGE THE BATTERY after the 30 minute standing period Battery P N 725 1705C Charge at 2 3 amps for one hour Battery P N 725 1707C and 725 0453F Cha...

Page 9: ...d open while sliding seat out of seat pivot bracket See Figure 5 Turn the seat around and line up plastic seat spacers with the slots in seat pivot bracket Slide seat in until front seat spacer engage...

Page 10: ...secure with the wing nut TIRE PRESSURE The tires on your unit may be over inflated for shipping purposes Reduce the tire pressure before operating the unit Recommended operating tire pressure is appr...

Page 11: ...he battery compartment in the same position as it was before positive terminal is toward the front of the unit 4 Attach the positive red cable to the positive terminal of the battery Secure with hex b...

Page 12: ...s run ning in the fast position until the battery is completely charged With a fully charged battery or with the engine idling the ammeter will not show a charge See Figure 12 SHIFT LEVER The shift le...

Page 13: ...ADES STOP position when starting the engine when shifting into reverse and if the operator leaves the seat See Figure 14 B DECK LIFT INDICATOR Optional Equipment If so equipped the deck lift indicator...

Page 14: ...before restarting and operating the mower NOTE If any problems are encountered refer to the Trouble Shooting Guide on page 24 OPERATING THE LAWN TRACTOR 1 Move throttle control to full throttle to pr...

Page 15: ...nst the engine before performing any adjustments repairs or maintenance MANUAL ADJUSTMENT SEAT To adjust the position of the seat loosen the four screws on the bottom of the seat See Figure 4 Slide th...

Page 16: ...he stop on the brake rod is against the frame See Figure 17 Have another person hold the pedal in this position as you make the following adjustment Place the speed control lever in parking brake posi...

Page 17: ...8 3 Place the shift lever in the neutral slot See Figure 18 4 Tighten the bolt to 13 foot pounds Figure 17 Figure 18 Speed Control Lever Ferrule Speed Control Rod Back of Slot Hairpin Clip and Flat Wa...

Page 18: ...ed by the right rear wheel inside the frame During normal operation of this machine the brake is subject to wear and will require periodic examination and adjustment WARNING Do not have the engine run...

Page 19: ...against the engine before performing any adjustments repairs or maintenance TROUBLE SHOOTING Refer to the chart on page 24 for trouble shooting engine problems ENGINE Refer to the separate engine man...

Page 20: ...nt that each cutting edge receives an equal amount of grinding to prevent an unbalanced blade An unbalanced blade will cause excessive vibration when rotating at high speeds may cause damage to the mo...

Page 21: ...mately 10 p s i Maximum tire pressure under any circumstances is 30 p s i Equal tire pressure should be maintained on all tires When installing a tire to the rim be certain rim is clean and free of ru...

Page 22: ...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 top deck drive belt by lifting up on the stabilizer...

Page 23: ...RAGE If the machine is to be inoperative for a period longer than 30 days prepare for storage as follows 1 Clean the engine and the entire unit thoroughly 2 Lubricate all lubrication points Wipe the e...

Page 24: ...or muffler or rubbed against a moving part Engine should have a black ground wire running from engine to frame or mounting bolt Engine cranks but will not start Throttle or choke not in starting posi...

Page 25: ...or from Agri Fab Inc 303 W Raymond Street Sullivan Illinois 61951 Description Model No 40 Two Stage Snow Thrower 190 621 000 42 Dozer Blade 190 620 000 Mulching Kit 190 112 000 Twin Bag Grass Collecto...

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Page 28: ...Department of MTD PRODUCTS INC Transportation charges Transportation charges for the movement of any power equipment unit or attachment are the responsibility of the purchaser Units exported out of th...

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