Zenit Group | 22 Apr 2021

GREY - DGG G10S - G10L Assembly

Step by step operations

Use a marker to indicate the position of the wires on the side of the stator
Insert the blocks into the stator, taking care not to crush the wires
Secure the blocks with the threaded bar
Using a hoist, lift the stator and rest it on the housing
CAUTION: keep the mark on the stator on the side indicated
Using a press and a suitable block, insert the stator into the housing
Remove the blocks from the stator
Place the bearing in the seat of the oil chamber and protect it with a suitable block
Overturn the oil chamber on a suitable support
Using a hoist, place the shaft in the seat of the bearing
Using a press, insert the shaft into the seat of the bearing
Place the upper bearing on the top of the shaft
Using a press and a suitable block, insert the upper bearing into the seat of the shaft
Using a hoist and a strap, rest the shaft on a surface
Lock the bearing onto the shaft with the circlip
Insert the probe into the cable gland and the relative grommet
Place the probe in the seat of the oil chamber and secure it by tightening the cable gland
WARNING: The probe must protrude from the heat shrink sheath by about 1 - 3 mm
Using a hoist, overturn the housing, taking care not to crush the wires
Cut the wire of the probe to a length approximately 1.5 times the height of the housing
Insert the wire of the probe into one of the grooves on the stator
Secure the cable lug to the probe wire
Using a hoist, lift the shaft
Place the O-ring in the seat
Clean the surface with compressed air
Insert the shaft into the stator, leaving about 10 cm between the oil chamber and housing
Secure the wire to the probe using the nut
Use Loctite 243 thread lock or equivalent.
Slowly lower the shaft until the oil chamber and housing couple together
Gently pull the probe wire during the operation
Lock the oil chamber using the fixing screws
Insert the O-ring in the seat of the bush and apply grease
Insert the bush into the shaft
Secure the bush using a suitable block
Secure the bush with the circlip
Moisten the first counterface of the mechanical seal with alcohol and insert it into the seat
Secure the first counterface using a suitable block
Clean any residue from the shaft using a paper towel
Lightly lubricate the first counterface
Clean the surface of the first mechanical seal with a paper towel and moisten it with alcohol
Insert the first mechanical seal into the shaft and position it with the block
Lock the first mechanical seal with the circlip
Clean any residue from the shaft using a paper towel
Insert the locking ring into the seat.
Moisten the second mechanical seal with alcohol and position it with the block
Clean any residue from the shaft using a paper towel
Moisten the second counterface with alcohol and insert it into the pump plate seat with the block
Position the locking ring and lead in the screws WITHOUT TIGHTENING THEM
Use Loctite 243 thread lock or equivalent.
Insert the O-ring in the seat and apply grease
Place the oil lifter in the seat and secure it by tightening the screws
Lightly close the fins of the oil lifter towards the inside
Place the O-ring in the seat of the pump plate
Place the O-rings in the seats of the oil chamber
Clean any residue from the shaft using a paper towel
Lightly lubricate the mechanical seal
Clean the surface of the counterface with a paper towel.
Overturn the pump plate and place it on the oil chamber
Lock the pump plate by tightening the scews in cross order
Pour a little alcohol to make sure there are no leaks from the lower seal.
Connect the compressed air system to the oil chamber using a connector.
Perform the leak test at a maximum pressure of 1 bar.
The absence of air bubbles guarantees the perfect installation of the mechanical seal
Remove the connector.
Lay the motor on the bench and fill the chamber with oil
Check the correct quantity in the documentation
Close the oil chamber with the cap
Use Loctite 243 thread lock or equivalent.
Place the motor vertically on the bench.
Clean the surface with compressed air
Protect the heat protection and probe cables with a sheath.
Insert the O-ring into the upper bearing support seat and apply grease
Place the upper bearing support on the motor housing
Use the hole in the holder for routing the cables
Position the bar and secure it with the screws
Use Loctite 243 thread lock or equivalent.
Fasten the terminal block modules to the bar
Connect the motor terminals to the terminal block
Insert the cable gland grommet into the motor cover seat.
Place the cable gland on the motor cover and lead in the screws without tightening them
Attach the handle to the motor cover.
Insert the O-ring into the motor cover seat
Insert the cable into the cable gland.
Insert the cable clamp and lock it in place.
Tighten a cable lug to the earth wire and secure it to the corresponding arrangement
Connect the motor terminals to the terminal block according to the diagram shown in the documentation
Place the motor cover on the housing taking and secure it with the screws
TAKE CARE not to crush the wires
Tighten the locking screws of the cable gland
Connect the compressed air system to the motor cover using a connector.
Perform the leak test at a maximum pressure of 1 bar.
Disconnect the compressed air hose and remove the connector.
Close the motor cover with the cap
Use Loctite 243 thread lock or equivalent.
Lay the motor on the bench and insert the O-ring in the seat
Place the impeller on the shaft
Secure the impeller with the locking screw
Use Loctite 270 thread lock or equivalent.
Using a hoist, lift the motor
Place a wooden panel under the impeller to prevent damage to the edges
Apply grease to the pump plate O-ring
Position the motor on the pump body and lock it with the fixing screws