Page 2
Clarke
®
B
EXT
®
-150, 150H, 300HV Operator's Manual
CONTENTS OF THIS BOOK
Operator Safety Instructions .................................................................................. 5
Introduction and Machine Specifications .................................................................. 6
Controls and Machine Features ............................................................................... 12
How to Prepare the Machine for Operation .............................................................. 14
Set-Up ........................................................................................................ 14
B
EXT
®
-150 Control Panel ............................................................................. 16
B
EXT
®
-150H Control Panel ........................................................................... 18
B
EXT
®
-300HV Control Panel ........................................................................ 18
Instructions for Connection to the Power Supply - 120V
Extension Cords - 120V ............................................................................. 20
Machine Operating Instructions ............................................................................... 22
How to Clean an Area of Carpet .................................................................. 22
How To clean a Larger Area of Carpet ......................................................... 22
Maintenance ........................................................................................................... 24
After Each Use of the Machine ................................................................... 24
How to Prevent Damage from Freezing Temperatures ................................. 26
The Pump and Vacuum Motor ................................................................... 26
How To Check The Commutator and The Carbon Brushes .......................... 28
How to Correct Problems in the Machine ................................................................. 30
B
EXT
®
-150 Assembly Drawing ................................................................................. 34
Parts List ................................................................................................ 35
B
EXT
®
-150H Assembly Drawing............................................................................... 36
Parts List ................................................................................................ 37
B
EXT
®
-300HV Assembly Drawing ............................................................................ 38
Parts List ................................................................................................ 39
B
EXT
®
-150 Accessories ............................................................................................ 40
B
EXT
®
-150H Accessories ......................................................................................... 41
B
EXT
®
-300HV Accessories ....................................................................................... 42
Control Panel Wiring Diagram ................................................................................. 43
Electrical Schematic 120V ...................................................................................... 44