300-Hour Service; At Least Once Each Season - Husqvarna R 422 Ts Workshop Manual

DELIVERY AND DEALER SERVICE

300-Hour Service

1. Inspect the machine. Come to agreement with
the customer as to what additional work is to
be carried out.
2. Perform the 25-hour service.
3. Perform the 50-hour service.
4. Perform the 100-hour service.
5. Clean the combustion chamber and grind the
valve seats.
6. Check the play in the engine valves.
!
WARNING!
No service operations may be performed on the engine or cutting unit unless:
• The engine is stopped.
• The parking brake is on.
• The ignition key has been removed.
• The cutting unit is disengaged.
• The ignition cables have been removed from the spark plugs.
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English-

At Least Once Each Season

1. Clean the engine's cooling air intake
(25 hours).
2. Replace the air filter's paper cartridge
(200 hours).
3. Change the engine oil (100 hours).
4. Replace the engine oil filter (200 hours).
5. Adjust the cutting height (50 hours).
6. Adjust the parking brake (50 hours).
7. Inspect the flame proofing/spark arrestor,
extra equipment (50 hours).
8. Clean/replace the spark plugs (100 hours).
9. Change the inline fuel filter (100 hours).
10. Clean the cooling fins (100 hours).
11. Check the play in the engine valves
(300 hours).
12. Change the transmission oil (200 hours).
13. Replace the hydraulic oil filter (200 hours).
14. Perform the 300-hour service at an authorised
service representative.