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1-1 INTRODUCTION
We are pleased to have you as a Bush Hog cus-
tomer. Your EFM Series Rotary Cutter has been
carefully designed to give maximum service with
minimum down time.This manual is provided to give
you the necessary operating and maintenance
instructions for keeping your rotary cutter in top
operating condition. Please read this manual thor-
oughly. Understand what each control is for and how
to use it. Observe all safety precautions decaled on
the machine and noted throughout the manual for
safe operation of implement. If any assistance or
additional information is needed, contact your autho-
rized Bush Hog dealer.
1-2 DESCRIPTION
The EFM cutters (Figure 1-1) are intended for cutting
lawns or any maintained area where a clean, uni-
form finish is desired. Parallel uplift blades form a
suction during operation to lift the grass before cut-
ting it. The four caster wheel arrangement, along
with the floating lift linkage and optional front mount-
ed roller, all work together to give an even cut and
minimize scalping.
Power from the tractor is transmitted through a trian-
gular, telescoping driveline to the 90 degree gear-
box. It is then passed to the spindle housings and
blades by a single, B-section, Kevlar reinforced belt.
Drivetrain protection is provided by belt slippage.
Table 1-1 EFM Specifications
EFM 480 EFM 600
Cutting Width (in.) 48 60
Cutting Height (in.) 1 to 6
Horsepower Range 14 - 30
Blade Tip Speed (fpm) 14,800 16,800
Weight (lbs.) 420 450
SECTION I
INTRODUCTION AND DESCRIPTION
NOTE
All references made to right, left, top,
bottom, front or rear are as viewed
facing the direction of travel with
implement properly attached to trac-
tor.
7
Figure 1-1 EFM 480