Exmark Vikingtm Hydro 4500-355 - Manual (Page 4)

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 .................................... 14
Product Overview ................................................ 15
Operation ............................................................. 15
Controls ........................................................ 15
Pre-Start........................................................ 17
Operating Instructions .................................. 17
Transporting ................................................. 19
Maintenance ......................................................... 20
Recommended Maintenance Schedule(s) ........... 20
Periodic Maintenance ....................................... 21
Check Engine Oil Level ................................. 21
Check Mower Blades ..................................... 21
Check Safety Interlock System ....................... 22
Check for Loose Hardware ............................ 22
Service Pre-Cleaner Element and Air
Cleaner...................................................... 23
Change Engine Oil ........................................ 23
Check Hydraulic Oil Level ............................. 23
Check Tire Pressures ..................................... 23
Check Condition Of Belts.............................. 23
Lubricate Grease Fittings............................... 24
Check Spark Plugs ......................................... 24
Change Hydraulic System Filter ..................... 24
Wheel Hub-Slotted Nut Torque
Specification.............................................. 26
Thread Locking Adhesives............................. 26
Mobil HTS Grease (Or Food-Grade
Anti-seize)................................................. 26
Copper-Based Anti-seize .............................. 26
Dielectric Grease........................................... 26
Adjustments ..................................................... 27
Adjusting the Cutting Height ......................... 27
Adjusting the Axle Position............................ 28
Adjusting the Number of Spacers below
Caster Support Hub................................... 29
Adjusting the Cutting Height with Blade
Spacers...................................................... 29
PTO Engagement Linkage
Adjustment ............................................... 30
PTO Safety Switch Adjustment...................... 30
Engine to Mower Deck Belt
Adjustment ............................................... 31
Blade Brake Adjustment ................................ 32
Belt Guide Adjustment .................................. 32
Pump Drive Belt Tension Adjustment ............ 32
Hydro Drive Linkage Adjustment .................. 33
Hydro Pump Spring Tension Setting .............. 35
Park Brake Adjustment .................................. 35
Cleaning ........................................................... 36
Clean Engine Air Cooling System................... 36
Remove Engine Shrouds and Clean Cooling
Fins........................................................... 36
Clean Grass Build-Up Under Deck ................ 36
Waste Disposal .............................................. 36
Troubleshooting ................................................... 37
Schematics ........................................................... 39
4