Exmark 312 Lawn Mower User Manual


 
Contents
Introduction ........................................................... 3
Safety ..................................................................... 5
Safety Alert Symbol ......................................... 5
Safe Operating Practices.................................. 5
Safety and Instructional Decals ......................12
Specications ........................................................16
Model Numbers .............................................16
Systems ..........................................................16
Dimensions....................................................17
Torque Requirements .....................................18
Product Overview .................................................18
Operation ..............................................................19
Controls.........................................................19
Pre-Start.........................................................20
Operating Instructions ...................................21
Transporting ..................................................24
Maintenance ..........................................................26
Recommended Maintenance Schedule(s) ............26
Periodic Maintenance ........................................27
Check Engine Oil Level ..................................27
Check Battery Charge.....................................27
Check Mower Blades ......................................28
Check Safety Interlock System ........................30
Check for Loose Hardware .............................30
Service Pre-Cleaner Element and Air
Cleaner.......................................................30
Change Engine Oil .........................................31
Check Hydraulic Oil Level ..............................31
Check Tire Pressures ......................................31
Check Condition Of Belts...............................31
Lubricate Grease Fittings................................31
Check Spark Plugs ..........................................32
Check LPG Tank............................................32
Check LPG Fuel Delivery System ...................32
Change Hydraulic System Filter ......................33
Wheel Hub-Slotted Nut Torque
Specication...............................................35
Inspect PTO Clutching Belt Tension...............35
Thread Locking Adhesives..............................35
Mobil HTS Grease (Or Food-Grade
Anti-seize)..................................................35
Copper-Based Anti-seize ................................35
Dielectric Grease............................................36
Adjustments ......................................................36
Deck Leveling ................................................36
Pump Drive Belt Tension................................36
PTO Clutching Belt Tension...........................36
Deck Belt Tension ..........................................36
Park Brake Adjustment...................................36
Hydro Drive Linkage Adjustment ...................36
Tracking Adjustment ......................................39
Hydro Pump Spring Tension Setting ...............39
PTO Safety Switch .........................................39
LPG Regulator ..............................................39
Cleaning ............................................................40
Clean Engine and Exhaust System
Area ...........................................................40
Remove Engine Shrouds and Clean
Cooling Fins...............................................40
Clean Debris From Machine ...........................40
Clean Grass Build-Up Under Deck .................40
Waste Disposal...............................................40
Troubleshooting ....................................................42
Schematics ............................................................45
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