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control in the low speed position, proceed as follows.

4.1.

Place the shift lever in NEUTRAL

4.2.

Restart the engine.

4.3.

Place speed control lever in the high speed posi-
tion. See Figure 3.

4.4.

Release the clutch-brake pedal fully.

4.5.

Depress the clutch-brake pedal.

4.6.

Place the speed control in the desired operating 
position.

4.7.

Place the shift lever 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 
threaded and has a ferrule which is used for 
deck leveling. See Figure 4.

NOTE: 

There is also a Deck Hanger Link/Anti-

Sway Rod that attaches from the front center of 
the deck to the bracket on the right side of the 
frame. See Figure 5.

Figure 3

Speed Control Lever

Shift Lever

Figure 4

Deck Hanger Links

Ferruled End

Figure 5

Deck Hanger Link/Anti-Sway Rod

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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