MTR-80L — PARTS & OPERATION MANUAL — REV. #8 (06/26/01) — PAGE 13
MTR-80L OPERATION
5.3
In cold weather, the engine may operate sluggishly when
cold.
To warm up engine, the best way is to let engine idle for 5-
10 minutes with the of throttle lever at the “off position”.
5.4
The contact surface of the foot is covered with a heat treated
steel plate.
When tamping, try to have the foot tamp the ground
evenly in order to prolong the life of the machine.
5.5
The machine is designed to advance or “walk” during
operation.
To increase the travel speed, press down on the
handle.
5.6
To stop the tamping rammer, move the throttle lever quickly
from “ON” to “OFF” position.
Do not move the lever slowly.
6. Stopping engine
6.1
To stop the engine, put the throttle lever to the “OFF” position
and allow the engine to run at low speed for three to five minutes.
After the temperature of the engine falls, push the stop button
until the engine stops completely.
If the engine is shut off while
it is still hot, the oil coating the cylinder bore may burn and
cause unnecessary wear.
6.2
Shut off the fuel supply by moving the lever on the fuel cock
assembly to the horizontal position.
NOTE:
The fuel supply
should always be shut off when the rammer is not in use.
7. Service
7.1
Daily Service:
Keep the machine clean by removing the
dust, dirt, oil, etc. in the same manner mentioned in paragraph
7.2
Weekly Services (50 Hours):
Remove the air cleaner
element and wash in a solvent solution.
After cleaning, dry the
element in the sun and lubricate it with two-cycle engine fuel.
Shake off excess fuel and replace element.
Remove the spark
plug; clean and adjust the spark gap to 0.7-0.8mm (0.027-0.031
in).
Check motor oil in the governor crankcase for prescribed
quantity, and add oil if supply is low.
Change oil every two
months.
NOTE:
Do not overfill as governor control will not
operate properly.
7.3
Monthly Services (200 hours):
Remove the blower housing,
and clean any dust or dirt that has accumulated in the fins of the
cylinder head.
Remove the muffler and cylinder head, and clean
the bore and exhaust manifold.
Remove the fuel filter cup and
clean.
Clean the outside of the rammer.
Retighten the bolts and
nuts.
Replace oil in engine crankcase.
7.4
Storage: In case of long storage after using the rammer,
drain all the fuel tank, fuel pipe and carburetor.
Remove the
spark plug and pour several drops of oil into the cylinder bore.
Clean the outer surface of the machine and coat the surface
with a light coat of oil.
Cover the machine and store in a clean,
dry place.
8. Dismantling the tamping rammer
When dismantling the machine, be sure to disassemble in a clean,
dust-free area.
8.1
Removal of the Foot: Remove the dust sleeve strap. Then
loosen the four nuts on the foot plate and remove bolts.
The foot
can now be removed by lightly tapping it.
8.2
Removal of the Foot Plate: After removing the foot, remove
the lock washer by loosening bolt .
Then remove the foot plate
from the spindle rod .
8.3
Replacement of the Springs:
a. Loosen the four bolts which connect the guide cylinder and
crankcase.
Separate them, and locate the cylinder pin.
b. Remove the cylinder pin by taking off the stop rings fitted to the
(bottom) cylinder cap, and the spring cylinder. Now the crankcase
can be completely separated.
c. Next, remove the four bolts which connect the double guide
and guide cylinder.
The complete spring cylinder can be removed
with the foot plate.
d. Remove the spring pin from the spring cylinder and remove the
cylinder cap (bottom) by loosening it gradually.
CAUTION: Be
careful when removing bottom cylinder cap, as springs may spring
out.
Spring replacement should be made in sets only.
8.4
Replacement of the Crank Gear: Remove cylinder pin, guide
cylinder , crankcase, front cover, bolt , and lock washer, and
connecting rod.
After removing bearing cover and stop ring, hit
the crank gear from engine side, and remove.
8.5
Replacement of the Clutch: The
clutch assembly can be
taken off by loosening the nut on the engine crankshaft.
When
removing the clutch shoe, take off the washer to prevent turning
the
front
clutch guide, clutch guide , and clutch spring .
Replace
the clutch shoes as one complete set.
8.6 Replacement of Pinion Gear:
Remove engine.
Tap on the
head of pinion using a hammer to pull out the pinion.
Remove the
bolt and lock washer. After that disassemble them from the bolt
side in order.
