_______________________________________________________________________________
DESMI Pumping Technology A/S
9
Tagholm 1
9400 Nørresundby
–
Denmark
Tel: +45 96 32 81 11 Fax: +45 98 17 54 99
E-mail:
Take out the oil seal ring (11)
Remove the SNAP ring (12) and take out the
ball bearing (13), grease valve ring (14) and
orifice ring (31)
Unscrew the counter sunk allen screws
(48) the carbon bearing (4)
5.3
INSPECTION
When the pump has been dismantled, check the following parts for wear and damage:
- Pump casing/impeller:
Max. clearance 0.3-0.6 mm measured in radius.
- Shaft seal/shaft seal cover: Check the seat for flatness and cracks.
Check the rubber parts for elasticity.
- Bearings : Replace in case of wear and noise.
- Sliding bearing/shaft : Wear= max. 0.5 mm diameter difference.
11
13
31
14 12
48
4