CONTENTS
ADJUSTING CUTTING HEIGHT ........................................................................... 22
OPERATING MOWER........................................................................................... 23
PTO Switch.....................................................................................................................23
Starting ........................................................................................................................... 24
TIRES AND WHEELS ............................................................................................... 25
TIRES..................................................................................................................... 25
Inflation Pressure............................................................................................................ 25
WHEELS ................................................................................................................ 25
Remove and Install Front Caster Wheels ....................................................................... 26
MAINTENANCE......................................................................................................... 27
SERVICE INTERVALS .......................................................................................... 27
LUBRICANTS AND FUEL...................................................................................... 30
PERIODIC SERVICE................................................................................................. 31
HOW TO RAISE THE OPERATOR'S SEAT.......................................................... 31
DAILY CHECK ....................................................................................................... 32
Checking Engine Oil Level.............................................................................................. 32
Checking Amount of Fuel and Refueling ........................................................................ 33
Checking and Cleaning Air Intake Screen ...................................................................... 34
Checking Tire Pressure .................................................................................................. 34
Inflation Pressure............................................................................................................ 34
Checking Transaxle Fluid Level...................................................................................... 35
Checking Movable Parts................................................................................................. 35
EVERY 25 HOURS ................................................................................................ 36
Cleaning Precleaner Element (Except ZG127E) ............................................................ 36
Cleaning Air Cleaner Element (ZG124E, ZG127E) ........................................................ 37
EVERY 50 HOURS ................................................................................................ 39
Checking Engine Start System ....................................................................................... 39
Checking OPC System ................................................................................................... 40
Cleaning Air Cleaner Element (ZG123S, ZG127S) ........................................................ 40
Changing Engine Oil (ZG124E, ZG127E)....................................................................... 41
Replacing Engine Oil Filter (ZG124E, ZG127E) ............................................................. 42
Checking Muffler and Spark Arrester (if equipped)......................................................... 43
EVERY 100 HOURS .............................................................................................. 43
Changing Engine Oil (ZG123S, ZG127S)....................................................................... 43
Replacing Precleaner Element (Except ZG127E) .......................................................... 44
Replacing Air Cleaner Element (ZG124E, ZG127E) ...................................................... 44
Replacing Air Cleaner Element (ZG123S, ZG127S) ...................................................... 44
Cleaning Engine Shroud................................................................................................. 44
Checking Spark Plug ...................................................................................................... 45
Checking Fuel Lines ....................................................................................................... 46
Battery Condition ............................................................................................................ 47
Adjusting Throttle Cable ................................................................................................. 49
Replacing Engine Oil Filter (ZG123S, ZG127S) ............................................................. 50
EVERY 200 HOURS .............................................................................................. 51
Checking Hydraulic Hose ............................................................................................... 51
EVERY 400 HOURS .............................................................................................. 52
Replacing Transaxle Oil Filter Cartridge......................................................................... 52
Changing Transaxle Fluid............................................................................................... 53
EVERY 500 HOURS .............................................................................................. 53
