Husqvarna ST131 Owners Manual - Page 15

MAINTENANCE Inspecting the Auger Blades/ Scraper Bar Before each session, inspect the auger blades for wear. When an auger blade edge or the scraper bar has worn down have an Authorized Service Dealer replace the auger blades and the scraper bar (Figure 21). NOTE: Auger blades and scraper bar are wear items and may have to be replaced after extended use. 5. After draining the used oil, return the snowthrower to the operating position. 6. Install the oil drain plug and torque to 145-150 in-lbs (17 N-m). NOTE: Dipstick location may vary depending on engine type. 7. Clean around the oil filler cap/dipstick (Figure 23). 8. Unscrew and remove the oil fill cap/dipstick. 1 1 2 Figure 21 1. Auger blades 2. Scraper bar Changing the Engine Oil Run the engine a few minutes before changing the oil to warm it. Warm oil flows better and carries more contaminants. The engine oil will be hot. Avoid skin contact with the used engine oil. 1. Move snowthrower to a level surface. 2. Run snowthrower until all fuel has been depleted. 3. Remove ignition key. 4. Place an oil drain pan under the oil drain plug and remove the oil drain plug. Tip the snowthrower backward and drain the used oil in the oil drain pan (Figure 22). Figure 23 1. Oil fill cap/dipstick 9. With the snowthrower in the operating position, carefully pour oil into the oil fill hole until "Full" on the fill cap/dipstick line (Figure 24). Max fill: 18 oz. (0.5 l), type: automotive detergent oil with an API service classification of SJ, SL, or higher. Fill if oil is below "Add" on the GLSVWLFN Fill if oil is below letter "L" on the ¿OOHUFDS 1 Figure 22 1. Oil drain plug Figure 24 10. Screw in the oil fill cap/dipstick and hand tighten it securely. 11. Wipe up any spilled oil. 12. Dispose of the used oil properly at a local recycling center. 15