Yazoo/Kees ZKW42170 Operator's Manual

Contents

Yazoo/Kees ZKW42170 Operator's Manual Manual pdf 13 page image

1313. Fuel filter: Replace annually or as needed.14. Hydraulic filter and oil: Change every 500 hours or yearly. Stop engine and remove key.Clean around the filter and the drain plug on the bottom side of the tank. Remove the filter andallow any oil to drain from the filter head. Then replace with new filter. Use only Yazoo/Kees p/n102606, filter which has a bypass valve and the correct micron filter. Remove drain plug underhydraulic tank and allow tank to drain, reinstall drain plug. Fill tank with 20w - 50 motor oil to thetop of the baffle in the tank and replace cap. Block up the rear of unit until wheels will rotate freelyand start engine at a slow idle, move the motion control levers forward and run for several min-utes. Stop engine and recheck oil level. If wheels don’t response an air lock has occured withinthe hydraulic system. Bleed air from lines, or let stand overnight to allow the air time to dissipateout of the oil. Retry responses & check the oil level. Note: Serious damage to the pumps andwheel motors can occur if the system is ran with an air lock.MAINTENANCE