MTD 249-640A - Manual (Page 12)

NOTE
The strainer tube assembly is 53" long.
4. Clean and reassemble using- a hydraulic pipe
sealant on the threads.
PRESSURE RELIEF VALVE SETTING
If the pressure relief valve is set too low it will open up
before enough pressure is built up to properly operate
the ram. See figure 26.
TO SET THE PRESSURE RELIEF VALVE
1. Have someone place a log crossways in the Splitter
and allow the Ram to push against it with the
engine running wide open.
2. If the engine beings to lug down, the Relief Valve
setting is correct.
3. If adjustment is necessary, tighten the screw until
the engine begins to lug down.
SOCKET HEAD
SCREW
ENGINE MAINTENANCE
To obtain long life and trouble-free service from yoiiir
engine,
certain normal maintenance must b^
performed as outlined below:
1. Change oil in crankcase after first two (2) hours
of operation. Then, follow instructions outlined
on page 9.
FIGURE 27
CAUTION
A
FIGURE 26 12
Disconnect high tension wire at spark
plug to prevent accidental starting
of engine. Unscrew oil drain plug
located on side at bottom of engine
See figure 27.
NOTE
Always tip engine towards oil drain
hole. Be sure oil drains completely.
1
Replace oil drain plug and refill with oil as direct
on page 5 or engine nameplate.
2. Check oil every five (5) operating hours or each
time equipment is used.