Safety Prior to handling the machine, this instruction manual should be read and understood. If anything needs to be clarified, please contact your Busch representative. Read this manual carefully before use and keep for future reference. This instruction manual remains valid as long as the customer does not change anything on the product.
2 | Product Description Product Description OSG MP Suction connection Motor terminal box Discharge connection Oil fill plug Magnetic plug Oil sight glass Nameplate Oil drain plug Barrier gas connection Eyebolt NOTE Technical term. In this instruction manual, we consider that the term ‘machine’ refers to the ‘vacuum booster’.
Conveying of other media leads to an increased thermal and/or mechanical load on the machine and is permissible only after a consultation with Busch. The machine is intended for the placement in a non-potentially explosive environment. The vacuum booster is used in combination with a backing pump in vacuum system.
4 | Storage NOTICE In case the machine is already filled with oil. Tilting a machine that is already filled with oil can cause large quantities of oil to in- gress into the cylinder. • Drain the oil prior to every transport or always horizontally transport the machine. •...
• Make sure that the environment of the machine is not potentially explosive. • Make sure that the ambient conditions comply with the Technical Data [► 21]. • Make sure to use a suitable backing pump, if necessary seek advice from your Busch representative •...
5.3 Filling Oil NOTICE Use of an inappropriate oil. Risk of premature failure! Loss of efficiency! • Only use an oil type which has previously been approved and recommended by Busch. 8 / 24 0870559398_WP4500B_A0002_IM_en...
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Installation | 5 For oil type and oil capacity see Technical Data [► 21] and Oil [► 21]. Oil filling at the motor side Check oil level Oil filling at the gear side Check oil level When the oil filling is achieved: •...
• Provide overload protection according to EN 60204-1 for the motor. • Make sure that the motor of the machine will not be affected by electric or electro- magnetic disturbance from the mains; if necessary seek advice from Busch. • Connect the protective earth conductor.
Commissioning | 6 Double star connection, multi-voltage Star connection, multi-voltage motor motor with 12 pins (low voltage): with 12 pins (high voltage): Delta connection, multi-voltage motor with 12 pins (middle voltage): NOTICE Incorrect direction of rotation. Risk of damage to the machine! •...
6.1 Process Chamber Flushing Depending on the process type (very demanding application), flushing through the pro- cess chamber (cylinder + lobes) might need to be performed. Seek advice from your Busch representative. NOTICE Flushing without barrier gas. Risk of damage to the machine! •...
Maintenance | 7 Barrier gas Process flow inlet (IN) connection (BGC) Barrier gas connection (BGC) Process flow outlet (OUT) Connection size: – 4 x G3/8 (BGC) Barrier gas requirements: Gas type Dry nitrogen, air or other suitable gas Gas temperature °C 0 ...
Failing to properly maintain the machine. Risk of premature failure! Loss of efficiency! • Respect the maintenance intervals or ask your Busch representative for service. • Shut down the machine and lock against inadvertent start up. • Vent the connected lines to atmospheric pressure.
If the oil becomes dark or looks different from the initial colour: • Change the oil immediately, see Oil Change [► 15]. You can consult your Busch representative in order to find out why this colour change has occurred. 7.4 Oil Change NOTICE Use of an inappropriate oil.
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7 | Maintenance Oil draining at the gear side Cleaning cloth Drain pan For oil type and oil capacity see Technical Data [► 21] and Oil [► 21]. Oil filling at the motor side Check oil level 16 / 24 0870559398_WP4500B_A0002_IM_en...
Improper assembly. Risk of premature failure! Loss of efficiency! • It is highly recommended that any dismantling of the machine that goes beyond any- thing that is described in this manual should be done through Busch. 0870559398_WP4500B_A0002_IM_en 17 / 24...
• The exclusive use of Busch genuine spare parts and consumables is recommended for the proper function of the machine and for granting of warranty. There is no standard spare parts kits available for this product, if you require Busch gen- uine parts: •...
Busch). Solid foreign matter has • Remove the solid foreign entered the machine. matter or repair the ma- chine (contact Busch). • Equip the machine with a mesh screen at the suc- tion connection. The motor is defective. • Replace the motor.
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Technical Data [► 21]. Oil level too low. • Top up oil. The backing pump is not • Contact Busch. correctly defined. The oil is black. Oil change intervals are too • Drain the oil and fill in long.
This Declaration of Conformity and the CE-mark affixed to the nameplate are valid for the machine within the Busch scope of delivery. This Declaration of Conformity is issued under the sole responsibility of the manufacturer. When this machine is integrated into a superordinate machinery the manufacturer of the superordinate machinery (this can be the operating company, too) must conduct the conformity assessment process for the superordinate machine or plant, issue the Declaration of Conformity for it and affix the CE-mark.