Gear oil pump discharge pressure is not enough?

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gear oil pump discharge pressure is not enough? A, the causes of deficiency of gear oil water pump flow: 1. Suction line of the binding surface reasons, such as untight seal pumped into the air, effectively reduce suction flow; 2. As a result of the oil viscosity is too large, lead to suction flow rate of oil filter is dirt jam reduce; 3. Volumetric efficiency is reduced, the output flow is not enough; 4. The axial too big; 5. At this point with system pressure couldn't get on the problems. Second, the gear oil water pump pressure is not enough solution: 1. In broken suction tubing seal, with teflon belt wound pipe threaded portion to tighten the pipe joint; 2. Choose appropriate viscosity of oil, clean the oil filter smooth oil absorption. And take into consideration the increased oil suction pipe diameter; 3. In the internal and external rotor, make the tooth clearance within the prescribed scope ( Generally less than 0. 07mm） ； 4. Two end face grinding pump body, inner and outer rotor assembly rear axle to 0. 02 ~ 0. Within the scope of 5 mm; 5. Repair the overflow valve, eliminate the overflow valve is part of the sub tank water pump effectively reduced flow phenomenon.

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