hyundai — 320_Owners.qxp

4. MAINTENANCE 4.1 PREVENTIVE MAINTENANCE SERVICE SCHEDULE 37 ITEM SERVICE REQUIRED 8 HOURS 50 HOURS 150 HOURS 300 HOURS 1000 HOURS Engine Oil Check level and add if necessary. Use 5W40 API Classification CF oil. Hydraulic Oil Check level and add if necessary. Use 10W30 API Classification SJ (- 20ºC to 35ºC) or 20W50 API Classification SJ (-10ºC to 45ºC) oil. Radiator & Oil Cooler Check level and add if necessary. Fill with 50% mixture of ethylene glycol and water. Check cooling fins for dirt. (See Section 4.4) Air Cleaner Empty dust cap. Check condition indicator and replace element as required.

Tires and Wheel Nuts (Wheel Loaders) Check for low pressure or tire damage, refer to Section 5.1 for more information. Check wheel nut torque 100-110 ft. lbs. (136-149 Nm). Track and Mounting Hardware (Track Loaders) Check for track damage, refer to section 4.13 for more information. Check all hub and track related nuts and bolts to ensure they are at the appropriate torque. Final Drive (Track Loaders) Remove all debris from track area. Safety Equipment Check all safety equipment for proper operation and condition. Seat belt, seat bar, control locks, lift arm supports, quick-tach locks, parking brake, safety treads, front shield and cab side screens.

If necessary lubricate foot pedal and steering control linkages, springs and shafts with a silicone based lubricant. If necessary repair or replace. Decals Check for damaged safety or instruction decals (See Section 5.3). If necessary replace. Lubrication (Wheel Loaders) Grease all hinge pin fittings and pivot bearings until excess shows. Lubrication (Track Loaders) Grease bearings and tandems. Grease all hinge pin fittings and pivot bearings until excess shows. Hydraulic Oil Filter Replace hydraulic oil filter element. Initial change only. Safety System Linkages and Springs Check and if necessary adjust. Lubricate shaft and linkage with a silicone based lubricant.

50 Hour Service Perform complete 50 hour service (See Section 4.4). Engine Oil Replace engine oil. Use API Classification CF oil. (See Section 4.8-3). Initial change only. Engine Oil Filter Replace engine oil filter. Initial change only. Final Drive (Wheel Loader) Check chain and sprocket condition. Check every 150 hours. Hydraulic Oil Filter(s) Replace hydraulic oil filter element (See 4.7-3). Preventative Maintenance Service Check It is recommended as a preventative maintenance procedure that the 50 hour service be repeated every 150 hours. (See Section 4.5) Engine Oil Replace engine oil. Use API Classification CF oil. See 4.8-3. Replace every 150 hours.

Engine Oil Filter Replace engine oil filter. See 4.8-3. Replace every 300 hours.