Husqvarna W21K, W21SK, W21SBK, W53SBEK, W53SEK, W21KC, W21SKC, W21SBKC Controls, Maintenance

OPERATOR’S MANUAL

21" PUSH MOWER

Introduction	3
General	3
Driving and Transport on Public Roads 3
Towing	3
Operating	3
Good Service	4
Manufacturing Number	4
Symbols and Decals	5
Safety Instructions	7
General Use	7
Operating on Slopes	9
Children	10
Maintenance	10
Transport	12
Customer responsibilities	13
Controls	13
Engine Speed	14
Fuel Shut Off Valve	14
Refueling 14
Choke Control (All Models)	15
Throttle Control (All Models)	15
Blade Brake Control (BBC)	16
Cutting height	17
Ground Drive Bail	17
To Convert Mower	19
To Empty Grass Catcher	19
Before Starting Engine	20
Transmission Selector	22
Self Propelled Models Only	25
Push Models Only	27
Mowing Tips	28
Mulching Tips	29

Maintenance	30
Maintenance Schedule	31
Before Each Use	31
Ignition System	31
Engine's Cooling Air Intake	32
Throttle Cable and Choke Cable	33
Replacing Air Filter	34
Replacing the Fuel Filter	35
Checking Tire	35
Drive Wheels	35
Checking the V-belts	36
Checking the Blade	36
Blade replacement:	37
Gear Case	37
Grass Catcher	38
Muffler	38
Cleaning	38
Adjusting the Lawn Mower	39
Engine Adjustment	40
Cleaning and Washing	40
Hardware	40
Lubrication	41
Mower Lubrication Chart	41
Engine Lubrication	41
Trouble Shooting Guide	44
Storage	46
Winter Storage	46
Service	46
Technical Data	47
Conformity Certificates	54
USA requirements	54
EU declaration of conformity	54
Service Journal	55
Delivery Service	55
After the First 5-8 Hours	56
25-Hour Service	57
50-Hour Service	58
100-Hour Service	59
300-Hour Service	60
At Least Once Each Year	61