Husqvarna RZ4621 CA Operator's Manual page 61

Action Action
300-Hour Service
Perform the 25-hour service
Perform the 50-hour service
Perform the 100-hour service
Check/adjust the mower deck
Clean the combustion chamber and grind the valve seats
Check the engine valve clearance
Replace the air cleaner's pre-filter (foam)
Action
At Least Once Each Year
Clean the engine's cooling air intake (25 hours)
Replace the air cleaner's pre-filter (foam) (300 hours)
Replace the air filter's paper cartridge
Change the engine oil (50 hours)
Replace the engine oil filter (100 hours)
Check/adjust the cutting height
Check/adjust the parking brake (50 hours)
Clean/Change the spark plugs (100 hours)
Change the fuel filter (100 hours)
Check the engine valve clearance
SeRVICe JOURnAl SeRVICe JOURnAl
Date, mtr reading, stamp, sign Date, mtr reading, stamp, sign
q
q
q
q
q
q
q
Date, mtr reading, stamp, sign
q
q
q
q
q
q
q
q
q
q
61 61