Drive System Maintenance

LV30109
LV30109-UN-28JUN18

Exposed Chain Drive

LV30110
LV30110-UN-28JUN18

Enclosed Chain Drive

A - Exposed Chain Drive

B - Enclosed Chain Drive

If your snow blower has an exposed drive chain (A), follow the instructions for “Adjusting and Lubricating Drive Chain”. If your snow blower has an enclosed chain (B), follow the instructions for “Checking Oil in Enclosed Chain Housing”.

CAUTION: Avoid injury! Do not operate snow removal attachment without the chain shield.


Adjust and Lubricate Drive Chain

  1. Park machine safely.

  2. Disconnect driveshaft from the machine.

  3. MXT013826
    MXT013826-UN-24MAR15

    Move chain shield (A) left to provide tension on the chain. Deflection should be 4.7—10 mm (3/16—3/8 in).


  4. Adjust chain, if necessary:

    • Loosen four locknuts (B) on chain shield.
    • Slide chain shield to the right or left until deflection measurement is right.
    • Hold chain shield in place and tighten nut.

  5. Rotate auger several turns and make sure that chain has at least 4.7 mm (3/16 in) deflection at all times.

  6. Lubricate chain with John Deere TY 6240 Chain Lube Spray or equivalent.

  7. Start engine. Run snowblower briefly to distribute oil.

  8. Stop engine. Wipe off excess oil.

  9. Check condition of the chain and sprockets. Replace if necessary.


Checking Oil in Enclosed Chain Housing

  1. Park machine safely.
  2. Disconnect drive shaft from machine and remove snow blower from quick hitch.
  3. Set snow blower on level ground.

  4. LV30205
    LV30205-UN-28JUN18

    A - Filler plug

    Remove filler plug (A). Oil should be even with bottom of hole.
  5. If oil is low, add GL-5 Gear Oil (80W-90).
  6. Install plug.
  7. No further maintenance in required.

UP00731,00005A5-19-20180628