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MODEL 220
HYDRAULIC
IMPACT HAMMER
IV.
MAINTENANCE AND ADJUSTMENTS
G. SEVERE CONDITIONS
The servicing intervals specified are based on normal operation conditions.
Operation under unusual conditions require some adjustments in servicing
intervals.
When the average temperature is above 89°F (31°C) or below 10°F (-12°C), reduce
servicing intervals to one half of those specified above.
When operating in the presence of dust or sand reduce servicing intervals to one-
third of those specified.
When operating in air with a high salt or moisture, the servicing intervals need not
usually be changed. However, the unit should be inspected weekly to determine if
additional servicing might be required. Have hydraulic oil tested every 2 months.
During stand-by or inactive periods, the servicing interval may be twice those
specified.
conditions.
H. LUBRICATION
Diesel Engine (Crankcase)
Follow the engine manufacturer's maintenance schedule and the lubricating oil
specifications outlined in the CATERPILLAR OPERATION GUIDE.
The lubricant shall meet the performance requirements of API Service Classification
"CD" or MIL-L-2104C.
For operation in extreme sub-zero climate, refer to the CATERPILLAR
OPERATION GUIDE, Crankcase Lubricating Oils, or contact the nearest Caterpillar
representative. (CAT bullentin #SEBU5898-06)
New units are shipped with ASHLAND 400M + HDT, 15W40, but the following
multi-grade crankcase oils are recommended for use or replacement in normal
operation (10°F to 90°F) (-12°C to 32°C).
The unit should be exercised every 30 days or less, depending on
IV-4
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