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.

IMPORTANT: Do not allow oil or grease to contact the pulleys, drive belt or reverse disc. This can cause the belt or disc to slip on the pulleys.

Lubricate the numbered areas in Figures

5-4 and 5-5, as follows:

1.Oil the wheel shaft between the wheel hubs and the transmission housing (A, Figure 5-4).

2.Oil all pivoting and connecting points on the Wheels/Tines/PTO Drive Lever and the Wheel Speed Lever (B, Figure 5-4).

3.Grease the face of the belt adjustment block (C, Figure 5-4).

4.Oil the Depth Regulator Lever, including the spring in the mounting bracket (D, Figure 5-4).

7.Grease left- and right-side engine mounting bars at the top, the middle, and bottom (G, Figure 5-4).

8.Grease the zerk grease fitting located on the pivot point at the end of the Wheel Speed Lever (H, Figure 5-4). If Wheel Speed Lever has a grease fitting on pivot assembly, apply 2-to-3 strokes of multi- purpose grease at beginning and end of tilling season.

9.Keep the PTO access area well-greased (I, Figure 5-5). If the Tines/PTO Clutch Lever becomes hard to move, squirt some oil into its access hole, and work it back and forth to disperse the oil.

Transmission Gear

Oil Maintenance

If tilling during very hot weather, the gear oil may heat up and expand inside the transmissions. To allow for this oil expansion, both the power unit transmis- sion and the tine attachment transmis- sions have oil relief vents (Figure 5-6).

Figure 5-6: Oil relief vent locations.

The vents allow small amounts of oil to seep out.

5. Oil the full length of the throttle cable

Checking for Oil Leaks

At 25-hour operation intervals, check the

casing (E, Figure 5-4).

 

 

tiller for oil leaks. Inspect for oil accumu-

6. Oil threads on Handlebar Height Adjust-

lations on the tiller or the floor where it’s

ment Lever (F, Figure 5-4).

 

stored.

 

 

 

 

 

 

A small amount of oil seepage or wetness

 

 

 

 

 

 

around a shaft opening or

 

 

 

 

 

 

cover is no cause for

 

 

 

 

F

 

 

B

 

alarm. But a heavy con-

 

E

 

centration of oil is more

D

C

 

 

serious. You should

 

 

 

 

 

 

tighten all bolts immedi-

 

 

 

 

 

 

ately, and replace any

 

H

 

G

worn seals or gaskets.

 

 

It may be impossible to

 

 

 

B

 

A

 

 

 

 

determine how much oil

 

 

 

 

 

 

Figure 5-4: Tiller lubrication points

 

has been lost, so check the

(wheel removed for clarity).

 

 

oil levels in the PTO trans-

 

 

 

 

 

 

mission and the tine

 

 

 

 

 

 

attachment before using

 

 

 

 

 

 

the tiller again. Add any

 

 

 

 

 

 

necessary gear oil.

 

 

 

 

 

 

Serious damage to the

 

 

 

 

 

 

transmission components

 

 

 

 

 

 

can result from operation

 

 

I

 

 

 

when gear oil levels are

 

 

 

 

 

 

 

 

 

 

 

 

low.

 

 

 

 

 

 

 

Figure 5-5: Use grease liberally in PTO access area.

If a serious leak is discovered, please contact your authorized dealer or the Factory Technical Service Department for service advice.

Checking Gear Oil Levels

Every 30 hours of operation, check the gear oil level in both the power unit trans- mission and the tine attachment transmis- sion. Operating them while low on gear oil (even briefly) can cause serious damage to internal components.

Preparation

1.The transmissions must be cool, since hot gear oil expands and gives a false reading.

2.The power unit transmission and the tine attachment transmission must be connected when checking (or adding) gear oil.

Checking the Power Unit Oil Level

1.Move the tiller to level ground. Move the Depth Regulator up so the tines rest on the ground.

2.Use a 3/8" wrench to remove the oil level check plug on the left side of the

transmission housing (Figure 5-7).

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Troy-Bilt 682J, E686N Transmission Gear Oil Maintenance, Checking for Oil Leaks, Checking Gear Oil Levels, Preparation

E682L, E686N, 682J specifications

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