Walker D21d User Manual

Maintenance Instructions
56
MAINTENANCE SCHEDULE CHART - RECOMMENDED SERVICE INTERVALS - MODEL D21d
Service Item
Daily
25
Hours
100
Hours
200
Hours Yearly
Every
2 Years
Ref.
Page
Check Engine Crankcase Oil Level x 58
Check Coolant Level in Radiator and Overow Tank x 70
Clean Radiator Screen and Cooling Fins* x 67
Check Security of Air Filtration Components x 71
Check Air Filter Restriction Gauge x 66
Clean Grass Buildup Under Deck x 68
Clean GHS Exhaust Screen* x 69
Clean GHS Blower* x 69
Service Mower Blades x 72
Check Functions of Instrument Panel and Warning Horn x 27
Lubricate Grease Fittings and Oil Points* x 59
Check PTO Gearbox Oil Level** x 63
Check Battery Electrolyte Level x 71
Check Hydrostatic Transmission Fluid x 64
Check Tire Pressure x 72
Check Drive Belts (Jackshaft, Engine PTO,
GHS Blower, Ground Drive, Engine Alternator Belt)
x
73
Check Deck Gearbox Oil Seals x 74
Check Safety Switch System x 75
Check Turbine Precleaner* x 65
Check/Clean Air Filter Element*** x 66
Change Engine Crankcase Oil
Δ
x 58
Check Wheel Bolt Torque (75 to 85
lb·ft)
x 72
Check Alternator Belt Tension x 71
Check Blade Brake Action x
75
Check Oil Level in Gear Axle x 63
Clean Hydrostatic Transmission Cooling Fins x 70
Change Engine Oil Filter x 58
Check Radiator Hoses and Clamps x 74
Replace Fuel Filters x 82
Check Fuel Lines and Clamps x 74
Replace Air Filter Element, Safety Filter,
Dust Ejection Valve***
x 66
Flush Radiator and Change Coolant x 68
Service Battery x 71
Check Transmission Control Settings x 74
Check Fuel Injection Nozzle Pressure x 74
Check FSC Friction Lock x 75
Check PTO U-Joints for Wear/Looseness x 75
Check Engine Valve Clearance x 74
Check/Adjust Vertical Position of Grass-Pak
®
Switch x
90
Change Gear Axle Oil
ΔΔ
x 63
Change Hydrostatic Transmission Fluid
ΔΔ
x
ΔΔΔ
Replace Radiator Hoses and Clamps x 74
Replace Fuel Lines and Clamps x
74
*
More often in extremely dusty or dirty conditions (refer to notes about air cleaner element in
IMPORTANT TIPS FOR CARE OF THE KUBOTA ENGINE)
**
Change PTO gearbox oil after rst 100 hours of operation (break-in period)
***
Air cleaner is remote mounted Donaldson Radialseal™ unit, replace lters every year and dust ejection valve
every year or when worn or damaged
Δ Change engine oil and lter after rst 35 hours of operation of a new engine (break-in period)
ΔΔ Change every 2 years or 1000 hours
ΔΔΔ See your Walker dealer for this service or refer to the Walker Service Manual
CAUTION
Maintenance procedures requiring special training or
tools should be performed by a trained technician.

Walker D21d Specifications

General

Brand	Walker
Model	D21d
Category	Lawn Mower
Language	English