pavement. This will transmit great shock
b. Starting
throughout the machine and will lead to
possible damage of precision parts. Damage
may also result to the surface passed over.
(2) Place, and hold, oil pressure and start switches
NOTE
in "up" position.
When the vibrator is engaged for the first
(3) Release start switch as engine starts.
time each day, it is advised that the clutch
(4) Release oil pressure switch when pressure on oil
operating lever be engaged and disengaged
pressure gauge reaches 30.
three or four times in succession before
(5) Place engine on full throttle after engine is
leaving it engaged. This is most important in
warmed up. (TM 5-2805-258-14).
cold weather, where the grease in the vibrator
2-6. Stopping
shaft bearings may have become congealed.
a. Preparation for Stopping.
b. Operation.
(1) Connect roller towing eye to towing vehicle.
1).
(2) Place front and rear stands in "up" position and
(2) Place throttle in idle position (TM 5-2805-258-
pin.
14).
(3) Allow engine to idle (TM 5-2805-258-14).
b. Stopping.
5).
(1) Place "Run-Stop" Switch in "Stop" position
(5) Maintain a steady speed of approximately 1 h
(down).
miles per hour for best compaction.
(2) Close the fuel shutoff valve.
2-8. Roller Shutdown
(3) Perform the daily preventive maintenance
a. Shutdown.
services.
(1) Bring towing vehicle to a stop.
2-7. Roller Operation
(2) Disengage clutch operating lever. This will stop
a. General. The roller is a towed-type vibrating
vibrator.
machine with a smooth drum. It is designed to compact
(3) Set engine throttle to idle.
fill materials by imparting vibrations which energize the
(4) Stop engine (para 2-6).
soil in an area in front, under, and to the rear of the drum.
(5) Remove pins from stands, lower stands and
The action is accomplished by an eccentric shaft within
pin.
the drum, powered by a gasoline engine through a power
(6) Detach roller from towing vehicle.
belt.
b.
After-Operation Services.
Perform the daily
CAUTION
preventive maintenance services.
Do not vibrate while passing over or standing
on solid surfaces, such as concrete
Section IV. OPERATION UNDER UNUSUAL CONDITIONS
2-9. Operation in Cold Weather (below 32 .)
F
b. Fuel System. Take all necessary precautions
a. Engine Care (TM 5-2805-258-14).
to keep dust or sand from entering the fuel tank while
b. Lubricate as specified in the current lubrication
filling. Inspect the fuel strainer sediment bowl frequently
order.
and service as necessary.
c. Keep fuel tank filled at all times to reduce the risk of
2-12. Operation under Rainy or Humid Conditions
water forming in the tank. As any water in the fuel tank
a. General Coat exposed areas with a suitable
will be carried to the fuel strainer, it is important to drain
lubricating oil or grease and keep the electrical system
the fuel strainer.
dry.
2-10. Operation in Extreme Heat
b. Lubrication. Lubricate in accordance with current
a. Engine Care (TM 5-2805-258-14).
LO 5-3895-341-12.
b. Lubricate as specified in current lubrication order.
c.
Fuel System.
Keep fuel tank full to avoid
2-11. Operation in Dusty or Sandy Areas
condensation. Inspect the fuel strainer for water and
a. Lubrication. Clean all lubrication points before
sediment twice daily. Service the strainer as required.
applying lubricants. Clean area around the on filler cap
2-13. Operation in Salt Water Areas
and oil level gauge before inspecting or adding engine oil.
a. General. Paint all exposed non-polished
2-2
