50
0600
4000
0700
0020
1200
3010
0040
A.0500.751 – IM-TGBLOC/01.00 EN (10/2020)
50
4.8.2 TG BLOC15-50 to TG BLOC86-100
Dissasembly
1. Remove lantern piece and ball bearing as described in bearing disassembly, section 4.6.2.
2. Remove pump cover (4000) by loosening bolts (0040) and remove idler (0600).
3. Detach intermediate casing (0020) by loosening the tap bolts (1200) and remove the
intermediate casing.
4. Push the shaft with rotor (0700) from back and remove it.
Assembly
1. First assemble seal (3010) see sections 4.7.5 and 4.7.6.
2. Fit the intermediate casing (0020) and tighten the tap bolts (1200).
4.8 Pumps
4.8.1 General
• Always replace damaged parts with original parts.
• At every disassembly new graphite gaskets must be used. Never re-use gaskets.
4.7.6 Assembly of the stationary seat
• Fit the stationary seat(s) into the intermediate casing.
• Use appropriate tools to push the seat perpendicularly in its housing.
• Protect the seat face with a piece of paper or hardboard and lubricate the rubber sealing
elements with a lubricant. This will facilitate the assembly.
Attention! Do not use mineral oil for EP rubber.
• Check the perpendicularity of the seat face to the shaft rotating axis after assembling.