5.0 Special Tools; General - Johnson Pump Top Wing Series Manual

5.0 Special tools

5.1

General

There are a number of special tools available to facilitate assembling the pumps. By
using these tools the risk of damaging sealing elements is reduced and the time needed
for maintenance and/or repair will be shorter.
These tools can be ordered from Johnson Pump or produced in the own workshop. The
article numbers for ordering are indicated in the tables under each drawing/picture
together with the dimensions of the tool in question (if applicable).
5.2 Assembly tool for lip seals
Place: Rotor case front end
Purpose: For fitting the lip seal (0885) into the rotor case (see section 4.7.1.2)
Pump type
TW1
TW2
TW3
TW4
All dimensions in mm
A.0500.301/314.C – IM-TW/10.00 GB (0401)
5
E 1x45˚
Article number A
3.94935.11 225
3.94936.11 235
3.94937.11 235
3.94938.11 290
A
B
130
±
B ØC 0,2 ØD +0,1
0
200 34.6 51.8
200 55.6 79.8
200 68 109.8
250 99.6 149.8
2x45˚
3.2
E
14
17
17
20
51