DUERR PRO/20 - OPERATION AND ADJUSTMENTS; LOG SPLITTER OPERATING STEPS

2. Place the log upright, on top of end plate.
3. Press the control handle down (forward position)
until the splitting wedge just contacts the log.
Release the control handle.
1.. STEP BEHIND THE RESERVOIR TANK (see
figure 15) and press the control handle down
until the log is split.
5. Move the control handle upward to return the
splitting wedge.
The wedge should take approximately 14 seconds
to make a complete cycle. This speed may vary
depending on throttle setting and temperature of
hydraulic fluid. .
NOTE
If the control handle kicks out of
reverse too soon, it can be adjusted.
Refer to Adjustment section of this
manual.
TO TRANSPORT LOG SPLITTER
1. Lower the beam to its horizontal position.
Make certain the pivot latch is latched
securely with the clevis pin and spring pin.
2. Remove the spring pin and clevis pin which
secure the jack stand. Pivot it up against the
tongue, and secure with spring pin and clevis
pin.
3. Attach the hitch to a towing vehicle, making
certain to latch securely. Attach the safety
chains to the towing vehicle.
Adjustments
FLITTING WEDGE
As normal wear occurs, periodically adjust the bolts
on the slide plate (beneath the splitting wedge) as
follows to eliminate the excess space between the
wedge plate and the beam. Refer to figure 8.
1. Loosen the three hex bolts on top of the slide
plate (beneath the splitting wedge).
2. Back the two adjustment bolts on the side of the
slide plate out slowly until the wedge assembly
will slide on the beam. Tighten the lock nuts
securely against the base of the slide plate to
hold the bolts in this position.
3. Retighten the three hex bolts on top of the slide
plate.
CARBURETOR ADJUSTMENT
A WARNING
If any adjustments are made to the
engine while the engine is running
(e.g., carburetor), keep clear of all
moving parts. Be careful of heated
surfaces and muffler.
^or carburetor adjustment may required to com-
/sate for differences in fuel, temperature, altitude
and load. Improper adjustment will cause stalling
when splitter is under load, hard starting and higher
fuel consumption.
Refer to the separate engine manual packed with
your log splitter for carburetor adjustment
information.
REVERSE LOCKOUT ADJUSTMENT
A WARNING
This adjustment should be made by
an authorized service dealer only.
The spring detent for the reverse lockout can be
adjusted by turning the adjustment screw shown in
figure 16. If it is not tight enough, the control han¬
dle will kick out of reverse too soon, before the return
stroke is completed. If it is adjusted too tight, the
control handle will not kick out of reverse, and could
cause damage to the pump, hoses, and serious
personal injury.
If adjustment is needed, an authorized service dealer
should make the adjustment using a pressure gauge
as shown in figure 16. The reverse lockout should
kick out at 1400 p.s.i.
A WARNING
When adjusting the reverse lockout,
do not overtighten the adjustment
screw to avoid damage to the log
splitter and possible serious personal
injury.
PRESSURE ADJUSTMENT
▲ WARNING
This adjustment should be made by
an authorized service deafer only.
The pressure is preset at the factory and should not
require adjustment. The pressure should be between
3000 and 3100 p.s.i. An adjustment screw is located
on the valve and should be adjusted by an authoriz¬
ed service dealer only, using a pressure gauge as
shown in figure 16.
Any adjustment of the pressure without instruction!
from the factory will automatically void youri
warranty. _ __
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