Exmark Commercial 21 4500-686 Rev. B - Manual (Page 4)

Contents
Introduction ........................................................... 3
Safety ..................................................................... 5
Safety Alert Symbol ......................................... 5
Safe Operating Practices .................................. 5
Safety and Instructional Decals ....................... 9
Specifications ....................................................... 12
Model Numbers ............................................ 12
Systems ......................................................... 12
Dimensions................................................... 12
Product Overview ................................................ 13
Operation ............................................................. 13
Controls ........................................................ 13
Pre-Start........................................................ 15
Operating Instructions .................................. 15
Maintenance ......................................................... 22
Recommended Maintenance Schedule(s) ........... 22
Periodic Maintenance ....................................... 23
Check Engine Oil Level ................................. 23
Checking the Blade Brake Clutch (Blade
Brake Clutch Only).................................... 23
Check the Mower Blade ................................. 24
Check for Loose Hardware ............................ 25
Check the Blade Brake Clutch Bail
Operation (Blade Brake Clutch Units
Only)......................................................... 25
Service Air Filter (Kawasaki Units)................. 26
Service Air Filter (ECSHN21 Units)............... 26
Service Air Filter (ECXHNBBC21 and
ECXHN21 Units) ..................................... 27
Change Engine Oil ........................................ 28
Change Oil Filter (ECXKA21 and
ECXKABBC21) ....................................... 29
Check Condition Of Belt (Self-Propelled
Units Only) ............................................... 29
Check Spark Plugs ......................................... 29
Emptying the Fuel Tank and Cleaning the
Fuel Filter.................................................. 29
Adjustments ..................................................... 30
Adjusting the Self-Propel Drive
(Self-Propelled Units Only)........................ 30
Adjusting the Blade Brake Cable (Blade
Brake Clutch Units Only)........................... 31
Cleaning ........................................................... 32
Clean Grass Build-Up Under Deck ................ 32
Cleaning the Discharge Tunnel and
Plug........................................................... 32
Cleaning Under the Belt Cover
(Self-Propelled Units Only)........................ 32
Cleaning the Blade Brake Clutch Shield
(Blade Brake Clutch Units Only) ................ 33
Cleaning Under the Cover Plate
(Non-Blade Brake Clutch Units
Only)......................................................... 33
Waste Disposal .............................................. 34
Storage ................................................................. 35
Preparing the Fuel System.............................. 35
Preparing the Engine ..................................... 35
General Storage Information ......................... 35
Removing the Lawn Mower from
Storage ...................................................... 35
Troubleshooting ................................................... 36
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