Troy-Bilt E683G-Big Red, 683-Horse Replacing the Drive Belt, Place the Wheels/Tines/PTO Drive

Section 5: Maintenance

WARNING Before inspecting, cleaning or servicing the machine, shut off engine, wait for all moving parts to come

to a complete stop, disconnect spark plug wire and move wire away from spark plug. Remove ignition key, if so equipped.

Failure to follow these instructions can result in serious personal injury or property damage.

3.Insert the belt adjustment tool through the hole in the side of the adjustment block, spacing the ends of the tool equally on both sides (Figure 5-14). Rotate the tool so the slotted end faces down.

Figure 5-14: With Wheels/Tines/PTO Drive Lever in NEUTRAL, insert tool through hole in adjustment block.

4.Place the Wheels/Tines/PTO Drive

Lever in FORWARD position. The arms of the clutch control yoke will be resting on the belt adjustment tool and the clutch roller should be engaged slightly beneath the adjustment block (Figure 5-15).

Figure 5-15: With Drive Lever in FORWARD position, clutch roller should be engaged slightly beneath the adjustment block.

5.Use one hand to hold the drive lever in FORWARD while using a 9/16" wrench to loosen (don’t remove) the bolt at the back of the belt adjustment block (Figure 5-16). The adjustment block should be free to move either up or down.

Figure 5-16: Hold Drive Lever while loosening bolt. Push lever down to tighten belt; pull up to loosen belt.

6.Push the drive lever down if the belt needs tightening. Pull the lever up if the belt needs to be loosened. Hold the drive lever in place and tighten the bolt in the adjustment block firmly.

7.Let go of the drive lever and remove the belt adjustment tool from the hole in the adjustment block.

8.Check the tension on the belt by following the previous instructions “How to Measure Belt Tension.”

NOTE: If the adjustment block is all the way down and the measurement between the clutch roller and the bracket is less than 1/4", then a new drive belt is needed.

Replacing the Drive Belt

Removing the Belt

1.Move Wheels/Tines/PTO Drive Lever to NEUTRAL position.

2.While kneeling on the right side of the tiller, create slack in the belt by reaching over to the left side of the pulleys and pushing in on the center of the belt with your finger.

3.Use your right hand to move the belt down and away from the lower pulley, in the direction of the engine (Figure 5-17).

4.Push the belt upward to create slack in the belt (Figure 5-18).

Figure 5-17: First move belt off the lower pulley.

Push Belt UP

Figure 5-18: Push belt upward to create slack.

5.Lift the top half of the belt up and over the upper pulley and the rubber reverse disc, moving it in front of the reverse disc (refer to Figure 5-19).

6.Push the Wheels/Tines/PTO Drive Lever down into the FORWARD position. This increases the distance between the upper and lower pulleys. Next, lift and pull the entire belt out between the pulleys (Figure 5-20).

Replacing the Drive Belt

1.Place Wheels/Tines/PTO Drive Lever in FORWARD position.

2.Squeeze the belt in the middle and insert one end in between the pulleys (Figure 5-20).

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