Husqvarna Rider 15V2 Workshop Manual page 77

Defective engine
Engine slows with heavy load
Defective transmission
Drive belt
Hydrostatic transmission's cooling
fan
Pulley on hydrostatic
Abnormal noise in transmis-
transmission's input shaft
sion
Hydrostatic transmission
Bypass valve
The hydrostatic transmission must not be opened during the warranty period.
Engine speed drops
Drive belt for transverse axle
Transmission overheated
Oil level too low
Check the belt tensioning
mechanism
Worn belt
Damaged impeller or runs against
foreign object
Pulley loose or damaged
Oil level too low
Blocked oil filter
The valve's nozzle in wrong
position
Repair the engine
Belt worn or oily
Clean or replace the belt
Adjust the belt
Stop and let the transmission cool
down. Clean the cooling fins.
Fill engine oil SAE 10W/30 to
correct level
Lubricate the bearing or replace
the belt adjuster
Replace the belt
Clean or replace the fan
Tighten or change the pulley
Fill engine oil SAE 10W/30 to
correct level
Change the oil filter
Repair