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Maintenance
ITEM SERVICE
PERFORMED
REF. EACH
USE
5
HRS
25
HRS
50
HRS
100
HRS
EACH
SEASON
Engine Oil Check Oil Level Page 5 X
Initial Oil Change Page 10 X
Periodic Oil Change Page 11 X*
Air Pre-Cleaner Clean Sponge Element Engine Manual X**
Air Cleaner Clean or Replace Engine Manual X**
Spark Plug Replace Engine Manual X
Engine Cooling
System
Clean Shroud & Fins Engine Manual X**
Drive Belts Check for Wear and
Tension
Page 11, 17 X X X
Mower Blade Check for wear, Damage
& Replacement
Page 12 X
Mower Deck Clean Debris
Accumulation
Page 5 X
Transmission
Grease
Check Grease Level Page 10 X X
Periodic Grease Check Page 10 X
Drive Disc Check for Wear Damage
and Replacement
Page 13-16 X
* Change oil every 25 hours when operating under heavy load or high temperatures.
** Clean more often under dusty conditions or when air debris is present.
Maintenance/Replacement Parts
Engine Speed Control 7074460
Blade Control Cable 7034608
Clutch Pull Cable 7034604
Cutter Blade (Air Lift Compatible) 7019795
Cutter Blade (Mulching) 7017168
Cutter Blade (Not Air Lift Compatible) 7026691
Cutter Blade (Ninja - Quad Edge) 7026407
Wheel Drive Pulley to Transmission Pulley Belt 7012354
Engine to Drive Disc Belt 7046784
Cantilever Drive Tire Assembly 7073528
Rubber Drive Tire 7041855
Parts Manual for 21” Steel Deck Walk Behind Mower Series 20 7006477
Service Schedule