©2013 HYSTER COMPANY
TABLE OF CONTENTS
General .....................................................................................................................................................................1
Cooling System Description ................................................................................................................................1
Cooling Cores .................................................................................................................................................. 1
Fan ...................................................................................................................................................................2
Fan Clutch .................................................................................................................................................. 2
Fan Clutch Engagement ............................................................................................................................ 2
Shroud ............................................................................................................................................................. 3
Engine Cooling System ...................................................................................................................................4
Water Pump ................................................................................................................................................4
Thermostat ................................................................................................................................................. 4
Expansion Tank And Radiator Cap .......................................................................................................... 5
Cab Heater ..................................................................................................................................................5
Coolant ........................................................................................................................................................6
Charge Air Cooling System ............................................................................................................................7
Transmission Oil Cooling System ..................................................................................................................7
Hydraulic Oil Cooling System ........................................................................................................................8
Hydraulic Oil Cooling .................................................................................................................................8
Oil Filtration and Oil Cooling ....................................................................................................................9
Brake Cooling ............................................................................................................................................. 9
Hydraulic Control System ......................................................................................................................... 9
Service and Repair ................................................................................................................................................ 10
Cooling System Checks .....................................................................................................................................10
Basic Checks ................................................................................................................................................. 10
Coolant Quality Checks ................................................................................................................................10
Coolant Flow Checks .................................................................................................................................... 11
Thermostat ............................................................................................................................................... 11
Water Pump ..............................................................................................................................................12
Cooling Core Efficiency ............................................................................................................................ 12
Cooling Core Flow Restrictions ............................................................................................................... 13
Engine Leak Tests ........................................................................................................................................ 13
External Leak Test ...................................................................................................................................13
Check for Coolant Leak Into The Engine Oil Sump ...............................................................................14
Combustion Leak Test ............................................................................................................................. 15
Engine Cooling System Maintenance ..........................................................................................................15
Draining the Engine Cooling System ......................................................................................................15
Filling the Engine Cooling System ..........................................................................................................16
Flushing the Engine Cooling System ......................................................................................................16
Cleaning the Engine Cooling System ......................................................................................................17
Remove and Replace Procedures ..........................................................................................................................17
Drive Belt .......................................................................................................................................................... 17
Remove .......................................................................................................................................................... 17
Install ............................................................................................................................................................ 17
Belt Tensioner ................................................................................................................................................... 18
Inspect ........................................................................................................................................................... 18
Remove .......................................................................................................................................................... 19
Install ............................................................................................................................................................ 19
Water Pump ...................................................................................................................................................... 19
Inspect ........................................................................................................................................................... 19
Remove .......................................................................................................................................................... 19
Install ............................................................................................................................................................ 19
Cooling System Table of Contents
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