- 11 -
MAINTENANCE
REASSEMBLY OF FLUID HEAD
Note:
Sequence of disassembly and assembly is the same for models PR, PRE and PRED
except where noted.
To reassemble the fluid head:
1.
Lubricate shaft o-rings with silicone grease (Tri-Clover L1011B) and insert o-rings into grooves
on shafts.
2.
On PRED models, insert rear seal o-rings into alignment locating ring.
3.
Slide rear seal rings into place in alignment locating ring.
4.
For all models slide wear rings into place onto the shafts.
5.
Slide seal rings into place. DO NOT LUBRICATE SEAL FACES EXCEPT WITH CLEAR
WATER. USE OF SANITARY LUBRICANTS MAY DAMAGE CARBON. TANGS ON THE
SEAL RINGS MUST BE ALIGNED WITH SLOTS IN CASING. SEAL AND PUMP CASING
CAN BECOME PERMANENTLY DAMAGED IF TANGS ARE NOT PROPERLY ALIGNED.
6.
Insert casing o-rings into place on back of casing.
7.
Slide casing securely into place.
8.
Slide rotors in place over splined shafts.
9.
Insert cover o-ring.
10. Place front cover in position on studs.
11. Replace and tighten the casing nuts.
12. Reconnect the suction and discharge piping.
