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4. Flush wand assembly backwards with water or compressed air. 5. If pressure is still too high, repeat steps 2-4. 4. CHECKING OIL: The pump is shipped with the correct amount of oil in it. This pump should never need any oil added or changed unless it develops a leak. A 30 weight non- detergent oil can be used in this pump (approximately 6 oz.). If pump is leaking oil take to an Authorized Service Center. HIGH PRESSURE HOSE: Damaged high pressure hoses can burst which can cause a potentially ha