7032 SOUTH 196th - KENT, WA 98032 - (253) 872-0141 / FAX (253) 872-8710
OPERATION / MAINTENANCE MANUAL
MODEL 50 VIBRATORY HAMMER WITH MODEL 260 POWER UNIT
Starting The Engine
1. Perform all prestart checks outlined previously.
2. Place the CONTROL switch in the MANUAL position to crank the engine.
3. When the engine starts and engine rpm reaches 600 rpm and the oil pressure registers 22
psi (1.5 kg/cm2) the starting motor will automatically disconnect from the start circuit.
4. Start the load.
5. Regulate the engine speed with the RAISE LOWER switch to the required instrument
panel gauge readings.
Stopping The Engine
1. Remove the load.
2. Reduce engine speed to low idle: Push down and hold the RAISE-LOWER switch until the
engine low idle speed is reached.
3. While the engine is idling, check the engine oil level. Oil level must be maintained between
the ADD and FULL marks on the side of the dipstick marked "CHECK WITH ENGINE
RUNNING".
4. Stop the engine.
(Solenoid Shutoff)
a. Move the control switch to the STOP or OFF positions. (Do not confuse this with the
"RAISE-LOWER" switch.)
(PSG Governor)
b. Move the shutoff lever forward, or hold the lever up, depending upon installation.
Hold the lever in this position until the engine stops.
5. Fill the fuel tank. See the LUBRICATION AND MAINTENANCE section.
6. Drain the raw water system if below freezing temperatures are expected.
Observe the Service Meter reading. Perform the periodic maintenance as instructed in the
LUBRICATION AND MAINTENANCE CHART.
- APPENDIX A -
CUMMINS 6CT8.3 ENGINE
A-1C. ENGINE OPERATION (Continued...)
Page A-6
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