Chapter 9
Cutting Units
Table of Contents
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . 2
SPECIAL TOOLS . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . 4
SET UP AND ADJUSTMENTS. . . . . . . . . . . . . . . . . 6
Adjustment Summary and Checklist . . . . . . . . . . 6
Cutting Unit Characteristics. . . . . . . . . . . . . . . . . 7
Bedknife to Reel Contact . . . . . . . . . . . . . . . . . . 7
Height of Cut Adjustment and Leveling Rear Roller
(Floating Cutting Units) . . . . . . . . . . . . . . . . . . . . . . 8
Height of Cut Adjustment and Leveling Rear Roller
(Fixed Cutting Units) . . . . . . . . . . . . . . . . . . . . . . . 9
Parallel Bedknife to Reel . . . . . . . . . . . . . . . . . . 10
Verifying Height of Cut Adjustment
and Leveling Front Roller
(Floating Cutting Units) . . . . . . . . . . . . . . . . . . . . . . 11
Pulley Cleaner Adjustment . . . . . . . . . . . . . . . . . 11
Counterbalance Spring Adjustment. . . . . . . . . . . 11
SERVICE AND REPAIRS . . . . . . . . . . . . . . . . . . . . 12
Front Roller Installation
Installing Cutting Units
Installing Cutting Units
(Floating Cutting Units) . . . . . . . . . . . . . . . . . . . . . 12
(Floating Cutting Units) . . . . . . . . . . . . . . . . . . . . . 13
(Fixed Cutting Units). . . . . . . . . . . . . . . . . . . . . . . 13
Drive Belt and Belt Tensioner Installation
(Floating Cutting Units) . . . . . . . . . . . . . . . . . . . . . 14
Drive Belt and Belt Tensioner Installation
(Fixed Cutting Units). . . . . . . . . . . . . . . . . . . . . . . 14
Counterbalance Spring Installation . . . . . . . . . . 15
Cutting Unit Overhaul . . . . . . . . . . . . . . . . . . . . 16
Backlapping Cutting Units . . . . . . . . . . . . . . . . . 18
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