Yard-Man 550 Thru 570 - Manual (Page 12)

1
5
Maintaining
Your Log
Splitter
WARNING: Do not at any time make
any adjustments without first stopping
engine, disconnecting spark plug wire,
and grounding it against the engine.
Always wear safety glasses during
operation or while performing any
adjustments or repairs.
Wedge Assembly Adjustment
As normal wear occurs and there is excessive “play”
between the wedge and beam, adjust the bolts on the
side of the wedge assembly to eliminate excess space
between the wedge and the beam.
1. Loosen the jam nuts on the two adjustment bolts on
the side of the wedge. See Figure 5-1.
2. Turn the adjustment bolts in until snug and then back
them off slowly (approximately 1.5 turns) until the
wedge assembly will slide on the beam.
3. Re-tighten the jam nuts securely against the side
of the wedge to secure the adjustment bolts in this
position.
Gib Adjustment
Periodically remove and replace the “gibs” (spacers)
between the wedge assembly and the back plate.
NOTE: The gibs may be rotated and/or turned over for
even wear.
1. Loosen the lock nuts under each back plate and slide
the gibs out. See Figure 5-1.
2. Turn or replace the gibs.
3. Reassemble the back plate and secure with the lock
nuts.
4. Readjust the bolts on the side of the wedge assembly.
WARNING: Before cleaning, lubricating,
repairing, or inspecting, disengage
the control lever and stop engine.
Disconnect the spark plug wire and
ground it against the engine to prevent
unintended starting. Always wear
safety glasses during operation or while
performing any adjustments or repairs.
Conditions that Will Void Warranty
1. Failure to maintain proper fluid level in reservoir
2. Changing the relief valve setting or pressure adjust-
ment of control valve without proper knowledge and
instruction from the factory
WARNING: Higher pressure could
cause the hoses to burst, cylinder
to rupture, and intense fluid to be
released, which could result in serious
personal injury.
3. Disassembling the pump
4. Use of incorrect hydraulic fluid
5. Allowing the flexible pump coupler to deteriorate
without proper and regular inspection
6. Lack of lubrication or improper lubrication of the beam
or unit
7. Improper adjustment of splitting wedge
8. Excessive heating of the hydraulic system
9. Attempting to start unit in temperatures under 20°F
without pre-heating fluid in reservoir
10. Unattended leaks in hydraulic system
WARNING
Figure 5-1
Do not at any time
make any adjustments
without first stopping
engine, disconnecting
spark plug wire, and
grounding it against
the engine. Always
wear safety glasses
during operation or
while performing any
adjustments or repairs.
Before cleaning,
lubricating, repair-
ing, or inspecting,
disengage the control
lever and stop engine.
Disconnect the spark
plug wire and ground
it against the engine
to prevent unintended
starting. Always wear
safety glasses during
operation or while
performing any adjust-
ments or repairs.
Higher pressure could
cause the hoses to
burst, cylinder to rup-
ture, and intense fluid
to be released, which
could result in serious
personal injury.
Adjustment
Bolt
Jam Nut
Lock Nut
Gib