MTD 500 Series Log Splitter Lawn Mower Owners Manual

5
Replace the coupler if you detect vibration or noise
coming from the area between the engine and the
pump. If the coupler fails completely, you will experience
a loss of power.
IMPORTANT: Never hit the engine shaft in any manner,
as a blow will cause permanent damage to the engine.
1.
Remove three nuts that secure the pump to the
coupling shield. Two nuts are at the bottom corners
and one is in the top center. See Figure 5-3.
Maintaining
Your Log
Splitter
2.
3.
Remove the pump.
Rotate the engine by slowly pulling starter handle
until engine coupling half set screw is visible. Loosen
set screw using allen wrench and slide coupling half
off engine shaft.
4.
5.
Loosen set screw on pump coupling half and remove
coupling half.
Figure 5-
Slide new engine coupling half onto the engine
shaft until the end of the shaft is flush with  the inner
portion of the coupling half. (There must  be space
between the end of the engine support  bracket and
coupling half). Tighten set screw.
NOTE: Always dispose of used hydraulic fluid and engine
oil at approved recycling centers only.
Contaminants in fluid may damage the hydraulic
components. Flushing the reservoir tank and  hoses
with kerosene whenever service is performed on
the tank, hydraulic pump or valve is recommended.
Contact an authorized service dealer.
WARNING
6.  Install pump coupling half  and key on pump shaft.
Rotate coupling half until set screw faces opening in
shield. Do not tighten set screw.
7.
Install nylon “spider” onto engine coupling  half.
Hydraulic Filter
8.
Align pump coupling half with nylon “spider”  by
rotating engine using starter handle. Slide  coupling
half into place while guiding three mounting bolts
through holes in pump support bracket.
Change the hydraulic filter every 50 hours of opera-
tion. Use only a 10 micron hydraulic filter. Order part
number 723-0405.
NOTE: Always dispose
of used hydraulic
fluid and engine oil at
approved recycling
centers only.
9.
Secure with nuts removed earlier.
Beam and Splitting Wedge
Lubricate both sides of the beam (where it comes  into     10.Set.010” to.060”  clearance/gap between the nylon
contact with the splitting wedge),  before each use,
with engine oil. The wedge plate on the log splitter  is
designed so the gibs on the side of the wedge  plate
can be removed and rotated and/or turned  over for
even wear.
Make certain to readjust the adjustment bolts  so
wedge moves freely, but no excess space exists
between the wedge plate and the beam.
“spider” and the engine coupling  half by sliding
a feeler gauge or matchbook cover between the
nylon “spider” and the engine coupling  half and
moving pump coupling half as needed. Secure pump
coupling half with set screw. See Figure 5-3.
IMPORTANT
Never hit the engine
shaft in any manner,
as a blow will cause
permanent damage to
the engine.
Hose Clamps
Check, before each use, if hose clamps on the suction
hose (attached to the side of the pump)  are tight.
Check the hose clamps on the return hose at least
once a season.
Set Screw
Engine
Side View-Coupler
Refer to the separate engine manual for all maintenance
instructions.
.0600
.0100
Flexible Pump Coupler
The flexible pump coupler is a nylon “spider”  insert,
located between the pump and the engine shaft.  Over
time, the coupler will harden and deteriorate.
Figure 5-3
13
Product Specification
CategoriesLawn Mower Manual, MTD Lawn Mower Manuals
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- 36 pages
Document TypeOwner's Manual
LanguageEnglish
Product BrandMTD, Lawn Mower
Product TypeWalk Behind Mower
Document File TypePDF
Publishermtdproducts.com
Wikipedia's PageMTD Products
CopyrightAttribution Non-commercial
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