ESSOM HB 100, Инструкция по эксплуатации

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4.3. Pump with Coupling
If the pump does not turn, the shaft may be seized. Turn off the pump and remove the pump coupling cover.
Pump shaft will be then exposed. Use a pipe wrench to turn the pump shaft loose.
Figure 6 Pump coupling cover and pump shaft
5. WATER PUMP MOTOR
5.1 In case of motor is equipped with a gearbox, check oil level regularly and refill with specified lubricating oil as
required.
5.2 In case of an AC motor, adjustment of speed must be sticky in accordance with the instruction of the inverter in
the Addendum.
Pump coupling
cover
Pump shaft