Fourth Edition • Second Printing Operator's ManualMaintenancePart No. 1272897GT TZ-50 49Check the Hydraulic Oil LevelMaintaining the hydraulic oil at the proper level isessential to machine operation. Improper hydraulicoil levels can damage hydraulic components. Dailychecks allow the inspector to identify changes in oillevel that might indicate the presence of hydraulicsystem problems.1 Be sure the boom is in the stowed position andthe outriggers are raised.2 Check the oil level dipstick. Add oil as needed.Result: The hydraulic oil level should be visiblein the middle of the sight gauge.Hydraulic oil specificationsHydraulic oil type Chevron RykonPremium MV equivalentCheck the Engine Oil LevelMaintaining the proper engine oil level is essentialto good engine performance and service life.Operating the machine with an improper oil levelcan damage engine components.Note: Check the oil level with the engine off.1 Check the oil level dipstick.Result: The hydraulic oil level should be visiblein the middle of the sight gauge.2 If the oil is low, fill to the edge of the filler hole.Honda GX160K1 oil viscosity requirements-4° to 100°F / -20° to 38°C 10W-30 10W-30Below 30°F / 0°C 5W-30 5W-30Above 50°F / 10°C 30W 30WEngine oil should have properties of API classificationSJ.Scheduled MaintenanceMaintenance performed quarterly, annually andevery two years must be completed by a persontrained and qualified to perform maintenance onthis machine according to the procedures found inthe service manual for this machine.Machines that have been out of service for morethan three months must receive the quarterlyinspection before they are put back into service.