Exmark NAVIGATOR 4500-367 User Manual
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Contents
Introduction ........................................................... 3
Safety ..................................................................... 5
Safety Alert Symbol ......................................... 5
Safe Operating Practices .................................. 5
Safety and Instructional Decals ..................... 10
Specifications ....................................................... 13
Model Numbers ............................................ 13
Systems ......................................................... 13
Dimensions................................................... 14
Torque Requirements .................................... 15
Product Overview ................................................ 15
Operation ............................................................. 16
Controls ........................................................ 16
Pre-Start........................................................ 17
Operating Instructions .................................. 17
Transporting ................................................. 19
Maintenance ......................................................... 21
Recommended Maintenance Schedule(s) ........... 21
Periodic Maintenance ....................................... 22
Check Engine Oil Level ................................. 22
Check Battery Charge .................................... 22
Check Safety Interlock System ....................... 23
Check for Loose Hardware ............................ 23
Service Air Cleaner ........................................ 23
Change Engine Oil ........................................ 23
Check Hydraulic Oil Level ............................. 24
Check Tire Pressures ..................................... 24
Check Condition Of Belts.............................. 24
Lubricate Grease Fittings............................... 24
Lubricate Rear Caster Wheel Hubs................. 25
Lubricate Brake Handle Pivot ........................ 26
Lubricate Brake Rod Bushings ....................... 26
Lubricate Steering Linkage Rod Ends............. 26
Lubricate Hopper Actuator............................ 26
Check Spark Plugs ......................................... 26
Change Hydraulic System Filter ..................... 27
Check Wheel Hub Locknuts .......................... 28
Check Wheel Lug Nuts.................................. 28
Thread Locking Adhesives............................. 28
Dielectric Grease........................................... 28
Adjustments ..................................................... 28
Pump Drive Belt Replacement ...................... 29
Belt Guide Adjustment .................................. 29
Adjust Safety Switch ...................................... 30
Brake Adjustment.......................................... 30
Adjust Speed Control Lever Tension .............. 30
Speed Control Linkage Adjustment................ 31
Steering Control Lever Response
Adjustment ............................................... 32
Tracking Adjustment ..................................... 33
PTO Drive Pulley Alignment ......................... 33
Pump Drive Pulley Alignment........................ 33
Rear Caster Pivot Bearings Pre-Load
Adjustment ............................................... 34
Cleaning ........................................................... 35
Clean Engine and Exhaust System
Area .......................................................... 35
Remove Engine Shrouds and Clean Cooling
Fins........................................................... 35
Troubleshooting ................................................... 36
Schematics ........................................................... 38
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