Watson-Marlow Bredel 265 - Manual (Page 59)

MAINTENANCE
59
1. Jog the motor until the pressing shoe (B) is
positioned in view of the inspection window (A).
2. Isolate the pump from the electrical supply.
3. Place a tray (A) under the drain plug (B) in the
bottom of the pump head. Remove the drain
plug. Drain as much Bredel Genuine Hose
Lubricant until the level has lowered just below
the inspection window (D). Check that the
sealing ring (C) is not damaged and replace it if
necessary. Position the drain plug and tighten it
firmly.
4. Loosen the retaining bolts (A) of the inspection
window (B) and remove the bolts. Remove the
inspection window. When doing this prevent the
gasket (C) from damaging.
CAUTION
Too few shims, this means a too low com-
pression force on the pump hose, create a
loss of yield and slip or backflow. Backflow
results in a reduction of the life of the pump
hose.
A
B
A
D
B
C
C
A
B