10 ADJUSTMENTS
en-73
10.11 FLASH ATTACH
™
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Installing Cutting units
1. Put each cutting unit in front of the lift arm. Lift the lift
arm and put the cutting unit so that the yoke is aligned
to the swivel housing. Carefully lower the lift arm on
the yoke. Install pin through the hole in the yoke and
fasten the retaining clip. Install the cap on the swivel
housing.
2. LF570 Cutting Units - Clean the motor splines and
the coupler. Apply grease to the female spline on the
reel. Completely clean the motor mounting surface.
Move the motor into bearing housing. Tighten the key
on bearing housing to lock the motor in position.
LF550 Cutting Units - Clean the motor splines and
the coupler. Apply grease to the female splines on the
coupler. Completely clean the motor mounting sur-
face. Move the motor into bearing housing. Install two
motor clips into pins to lock the motor in position. The
loops on the motor clips must be toward the motor.
3. Lift the reels and install the down pressure adjustment
pins. If the HOC has not changed, set pins in same
position when the reels were removed. See Section
10.10
Removing Cutting Units
1. Lower the reels to the ground and remove the down
pressure adjustment pins. Make note of where
springs are set. See Section 10.10
2. LF570 Cutting Units - Loosen the key on the bearing
housing. Pull the motor away from cutting unit
LF550 Cutting Units - Remove the motor clips and
pull the motor away from cutting unit.
3. Carefully put the motor and its hoses away from the
cutting unit. To prevent contamination and damage to
components, cover or cap off the bearing housing
cavity.
4. Remove the cap on swivel housing. Release the
retaining clip from the pin. Remove the pin.
5. Lift the lift arm until the cutting unit can be removed.
Pin
Yoke
Yoke
Cap
Motor
Motor
Key
Motor
Pins
Motor
Clips
Coupler
Coupler
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