Bevel-helical speed reduction gearboxes B4 e No LP Z Sealing low speed shaft LSS Ra B4VH-6-C

Flender/Flender Gear Units/Bevel-helical speed reduction gearboxes B4

t and/or the list of equipment. 7.2.3 Heating Never switch the heating on, unless complete immersion of the rod heater in the oil bath is ensured. Fire hazard! If heating elements are installed afterwards the maximum heating capacity (see Table 2 in item 5. on the outer surface of the heating element must not be exceeded. The correct setting of the switch points must be checked! 7.2.4 Checking procedure The following visual checks must be conducted and recorded when starting up: Oil level Leaktightness of the oilcooling or oilsupply lines Opening condition of the shutoff valves Effectiveness of the shaft seals Freedom of the rotating parts from contact The tension pressures and/or pretensioning forces in accordance with item 6.3.2.4 must also be recorded in this document. The document must be kept with the instructions. 7.3 Removal from service Switch off drive unit. Secure the drive unit to prevent it from being started up unintentionally. Attach warning notice to the start switch! In the case of gear units fitted with cooling coil or water oilcoolers, close the stop valves on the water in and outflow pipes. To prevent freezing, drain the water from the cooling coil or the water oilcooler. Start the gear unit and allow it to run briefly (5 to 1 minutes) approx. every 3 weeks (during shutdown period no longer than 6 months). Treat the gear unit with preservative, see items 7.3.1 and 7.3.2 (before shutdown period exceeding 6 months). 7.3.1 Interior preservation during longer disuse Depending on the type of lubrication and/or shaft sealing, the following types of interior preservation can be applied. 7.3.1.1 Interior preservation with gear oil Gear units with splashlubrication systems and contacting shaft seals can be filled with the correct type of service oil up to point just below the air filter. 9 / 1BA 5 en 0/2.3.1.2 Interior preservation with preservative agent Before longer shutdown periods gear units with forced lubrication systems, oil circulation