Walker PA6685 - Manual (Page 13)

Operating Instructions
11
STARTING THE MACHINE
Refer to the appropriate Tractor Owner’s Manual for
tractor starting and operating procedures.
ENGAGING THE AERATOR
Refer to the appropriate Tractor Owner’s Manual for
tractor starting and operating procedures.
1. Release the tines into the operating position by
pushing on the foot trigger and using the lift
lever to lower the tines.
2. Set the engine throttle at full speed.
3. Begin driving the tractor forward slowly.
4. Pull the PTO clutch lever UP to engage the
aerator.
IMPORTANT: DO NOT engage the PTO clutch
when transporting the machine. DO NOT
engage the PTO clutch with the PTO shaft
disconnected (the aerator removed from the
tractor).
Normal Operation
IMPORTANT: The aerator has a natural driving mo-
tion when engaged, so the speed of the tractor is
critical to ensure proper aeration and longevity of
aerator components.
1. Adjust ground speed to properly position tines
as shown.
IMPORTANT: If ground speed is too fast, the
retractor plates will swing away from the front,
causing a shallow plugged hole.
IMPORTANT: If ground speed is too slow, the
retractor plates will swing forward and make
constant contact with the front frame, resulting
in excessive wear of tines and retractor plates.
2. If an obstacle is encountered during operation
(sprinkler head, sidewalk, etc.), the PTO can
be disengaged and reengaged after passing
obstacle.
IMPORTANT: Minimum turning radius is 10
feet (3.05 m). Turning too tight can result in
damage to the turf and the aerator.
CAUTION
ALWAYS disengage the PTO clutch and
put the FSC in the NEUTRAL-PARK posi-
tion before starting the engine.
CAUTION
A safety interlock switch (seat switch) will
cause the engine to stop if the FSC is out
of the NEUTRAL-PARK position and the
operator is not in the seat. The function
of this switch should be checked by the
operator raising off the seat with the trac-
tor moving forward (allow 1 to 1-1/2 sec-
onds off the seat for the time delay
function); the engine should stop. If the
safety system is not working, it should be
repaired or replaced before operating the
mower. DO NOT disconnect the safety
switches; they are for the operator's pro-
tection.
CAUTION
DO NOT pull the retractor lever while
operating.
Adjust Ground Speed As
Indicated By Decal
Lubricate Grease
Fitting On Cam
Rings (12 Fittings)
Every 4 Hours