Maintenance Instructions

CAUTION

Maintenance procedures requiring special training or tools should be performed by a trained technician.

MAINTENANCE SCHEDULE CHART - RECOMMENDED SERVICE INTERVALS - MODEL MT, MTL, MTEFI, MTLEFI

Service Item

25

100

200

Every

Ref.

Daily Hours

Hours

Hours

Yearly 2Years

Page

 

 

 

 

 

 

 

Check Engine Crankcase Oil Level

x

 

 

 

59

Check/Clean Engine Air Cooling System*

x

 

 

 

68

Check Coolant Level, Radiator/Overflow Tank (MTL)

x

 

 

 

72

Clean Radiator Screen and Cooling Fins* (MTL)

x

 

 

 

69

Check Security of Air Filtration Components

x

 

 

 

72

Check Air Filter Restriction Gauge

x

 

 

 

67

Clean Grass Buildup Under Deck

x

 

 

 

70

Clean GHS Exhaust Screen*

x

 

 

 

51

Clean GHS Blower*

x

 

 

 

71

Service Mower Blades

x

 

 

 

74

Check Functions of Instrument Panel and

x

 

 

 

27

Warning Horn

 

 

 

 

 

 

 

 

Lubricate Grease Fittings and Oil Points*

x

 

 

 

63

Check PTO Gearbox Oil Level**

x

 

 

 

62

Check Battery Electrolyte Level

x

 

 

 

73

Check Hydrostatic Transmission Fluid ◊

x

 

 

 

63

Check Tire Pressure

x

 

 

 

74

Check Drive Belts (Jackshaft, Engine PTO,

x

 

 

 

75

GHS Blower, Ground Drive)

 

 

 

 

 

 

 

 

Check Gearbox Oil Seals

x

 

 

 

75

Check Safety Switch System

x

 

 

 

76

Check Turbine Precleaner*

 

x

 

 

66

Check Blade Brake Action

 

x

 

 

76

Check Air Filter Element***

 

x

 

 

67

Check Oil Level in Gear Axle

 

x

 

 

62

Clean Hydrostatic Transmission Cooling Fins

 

x

 

 

71

Clean Engine Cooling Fins (MT, MTEFI)

 

x

 

 

69

Change Engine Crankcase Oil (MT, MTEFI)

 

x

 

 

60

Check Wheel Bolt Torque (75 to 85 ft-lbs)

 

x

 

 

74

Change Engine Oil Filter (MT, MTEFI) Δ

 

 

x

 

60

Change Engine Crankcase Oil (MTL)

 

 

x

 

60

Change Engine Oil Filter (MTL) Δ

 

 

x

 

60

Check Radiator Hoses and Clamps (MTL)

 

 

x

 

76

Check/Regap Spark Plugs

 

 

x

 

75

Replace Air Filter Element, Safety Filter,

 

 

 

x

67

Vacuator™ Valve***

 

 

 

 

 

 

 

 

Replace Fuel Filter

 

 

 

x

82

Flush Radiator and Change Coolant (MTL)

 

 

 

x

70

Service Battery

 

 

 

x

73

Check FSC Friction Lock

 

 

 

x

76

Service Solenoid Shift Starter

 

 

 

x

 

Check PTO U-Joints for Wear/Looseness

 

 

 

x

76

Check Fuel Lines and Clamps

 

 

 

x

75

Change Gear Axle Oil

 

 

 

x

62

Change Hydrostatic Transmission Fluid

 

 

 

x

 

Replace Radiator Hoses and Clamps (MTL)

 

 

 

x

76

Replace Fuel Lines and Clamps

 

 

 

x

75

Replace Ignition Wires

 

 

 

x

75

∗More often in extremely dusty or dirty conditions (refer to notes about air cleaner element in

IMPORTANT TIPS FOR CARE OF KOHLER ENGINE)

∗∗Change PTO gearbox oil after first 100 hours of operation (break-in period)

∗∗∗Air cleaner is remote mounted Donaldson Radialseal™ unit, replace filter every year Change engine oil and filter after first 5 hours of operation of a new engine (break-in period) Change every 2 years or 1000 hours

See your Walker dealer for this service or refer to the Walker Service Manual

◊Hydrostatic transmissions are sealed - DO NOT OPEN RESERVOIR CAPS - refer to Hydrostatic Transmission Fluid

57