Cub Cadet 3654, 3660 service manual Every 100 Hour Checks, Yearly Checks

1.Change the engine oil. (Every 25 hours under heavy duty opera- tion.)

2.Clean or replace the engine’s paper air cleaner element.*

3.Check the battery’s electrolyte level.

4.Clean the engine cooling fins and external surfaces.*

5.After the first 50 hours, change the hydraulic oil and the hydraulic oil filter. Change them every 500 hours thereafter.

6.Oil wear points. Follow the Oiling Chart.

7.Lubricate all grease fittings. Follow the Lubrication Chart.

D.Every 100 Hour Checks

1.Change the engine oil filter. (Every 50 hours under heavy duty operation.)

2.Check the engine spark plugs.

E.Yearly Checks

Check the oil in the hydraulic reservoir.

* Perform maintenance more frequently under dusty conditions.

Oil CHART

Apply a few drops of SAE 20W-50 engine oil or use a spray lubricant. Apply the oil to both sides of pivot points. Wipe off any excess. Start engine and operate mower briefly to insure that oil spreads evenly.

Number of Oil
Points	Description
Daily
4	Deck Suspension Pivots

4Height Adjustment Turnbuckle Clevis Pin

2Height Adjustment Handle Pivots

2	Height Adjustment Stop Pivots
2	Deck Lift Linkage Pivots
2	Transport Handle Pivots

1Transport Handle Pin

2Deck Frame Up-and-Down Pivots

WEEKLY

1Seat Hinge

2Steering Lever Linkage Rod

End Bearings

2Lever Return Assembly Rod End Bearings

2	Pump Control Lever Pivots
1	Brake Lever Pivot Clevis Pin
1	Brake Lever Control Rod Pivot
1	Brake Control Rod Swivel Joint
4	Brake Rod Clevis Pins
2	Brake Shaft Assembly Pivots

2Grass Collection System Lid Hinges

(If Mower is so equipped)

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