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9
UNDERWATER OPERATION
Operation of hydraulic hammers under water requires proper preparation to prevent
internal damage to hammer parts and carrier hydraulic system.
1. To prepare the hammer for underwater operation you will need
an external compressed air supply.
2. Connect air supply line to front cap threaded port (remove plug
P/N 3Z01-FP0038 as shown.) Thread is 3/8-inch pipe tapered.
3. Set pressure regulator to 50 – 90 psi.
4. Maintain air supply to hammer at all times when operating
under water
5. For HH1500 through HH8000, 20 to 50 CFM is required.
PRESSURE REGULATOR
Figure 3. Air Compressor Supply