Bolens 683 Series Service Manual Download Page 9

 7

12.5. Remove the hairpin clip securing the deck 

hanger link/anti-sway bar to the frame. See Fig-
ure 18.

NOTE: 

There has been some issues with the 

deck belt rubbing on the Deck Hanger Link/Anti-
Sway Rod on tractors with the 46” cutting deck. 
This has been corrected on later production by 
moving the frame mounting bracket higher. If 
you are experiencing belt damage contact MTD 
Customer Service for a Hanger Link with a bend 
in it. See Figure 19.

Figure 18

Hairpin Clip

Deck Hanger Link/Anti-Sway Rod

Figure 19

Original Deck Hanger Link/Anti-Sway Rod

Replacement rod with bend for 46” deck

12.6. Remove the two hairpin clips securing the front 

hanger rods to the deck brackets and carefully 
lower the front of the deck to the ground. See 
Figure 20.

12.7. Remove the two hairpin clips that secure the two 

rear deck hangers to the deck stabilizer bracket 
and lower the deck to the ground. See Figure 21.

12.8. Raise the deck lift lever to its highest position to 

raise the lift links out of the way.

12.9. Remove the deck from under the unit.

13.

DECK STABILIZER BRACKET REMOVAL

NOTE: 

For normal service and maintenance, the 

deck stabilizer bracket does not need to be 
removed. If mounting a snow thrower attach-
ment however, the stabilizer will need to be 
removed.

Figure 20

Hairpin Clips

Front Hanger Rods

Figure 21

Rear Deck Hairpin Clips

Summary of Contents for 683 Series

Page 1: ...d follow all instructions and use common sense when working on power equipment This includes the contents of the product s Operators Manual supplied with the equipment No liability can be accepted for...

Page 2: ......

Page 3: ...ese models use three different styles Standard Adjustment Quick Adjustment and Knob Adjust ment Refer to the owners manual for proper adjustment 2 BATTERY HOLD DOWN The battery is held in place by a f...

Page 4: ...er in either FORWARD or REVERSE and follow normal operating proce dures 5 DECK LEVELING ADJUSTMENT NOTE The cutting deck is attached to the frame with steel rod hanger links The left front rod is thre...

Page 5: ...HT ON MODELS SO EQUIPPED 6 1 Select the height position of the cutting deck by placing the Deck Engagement Lift Lever in any of the five different cutting height notches on the right side of the frame...

Page 6: ...el 7 9 Start the unit and test the deck engagement lift lever to be certain that the blades fully disen gage when in the BLADES STOP position 7 10 Repeat the adjustment if needed 8 PARKING BRAKE ADJUS...

Page 7: ...rule Figure 12 Speed Control Rod Speed Control Rod Ferrule Cotter Pin 9 4 Adjust the speed control by threading the ferrule inward so that no more than 3 4 of the rod is exposed beyond the ferrule See...

Page 8: ...1 2 Use a 1 2 inch open end wrench to hold the ball joint while using a 9 16 inch open end wrench to loosen the steering arm jam nut securing the ball joint to the steering arm 11 3 Remove the ball jo...

Page 9: ...d with bend for 46 deck 12 6 Remove the two hairpin clips securing the front hanger rods to the deck brackets and carefully lower the front of the deck to the ground See Figure 20 12 7 Remove the two...

Page 10: ...r bracket removal section 15 2 The upper deck belt is removed by simply lifting it off the double pulley located at the rear of the cutting deck 16 LOWER DECK BELT REMOVAL 46 DECKS 16 1 Remove the upp...

Page 11: ...drive belts be changed at the same time 18 1 Place the deck engagement lift lever in the fully forward position 18 2 Set the parking brake on the unit Figure 24 Self Tapping Hex Screws 18 3 Unthread...

Page 12: ...e proper reassembly 18 9 Using an air impact gun with a 5 8 inch socket remove the hex screw that secures the engine pulley to the engine crankshaft 18 10 Carefully lower the pulley off the crankshaft...

Page 13: ...the cut ting deck The transmission pulley is manufac tured with a dish or concave shape The dish side should be facing DOWN on tractors with a Figure 31 Transmission Pulley Figure 32 Flange Nut Washer...

Page 14: ...fol lowing the procedures in the drive belt removal section 19 3 Using an impact wrench and a 1 2 inch socket remove the hex cap screw securing the variable speed pulley assembly to the variable speed...

Page 15: ...Lubrication Points Speed Brackets Figure 39 Negative Cable Positive Cable Battery Hold Down Rod 20 3 Detach the battery hold down rod and remove both the battery and battery tray from the tractor See...

Page 16: ...e transmission and tractor frame to provide increased clearance for the cutting deck The transmission pulley is manufactured with a dish or concave shape The dish side should be facing DOWN on trac to...

Page 17: ...sher Shift Rod Ferrule Shift Rod Shift Lever Assembly Figure 46 Self Tapping Screws 20 17 Using a 1 2 inch socket and 1 2 inch box wrench remove the four two on each side hex cap screws and flange loc...

Page 18: ...16...

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