Watson-Marlow SP40 - Manual (Page 32)

GENERAL MAINTENANCE
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7.5.5 Fill the pump with lubricant
1. Remove the breather cap (A) and position a
funnel in the breather.
2. Pour lubricant in the funnel until the lubricant
level is half way the viewing glass (B).
3. Install the breather cap.
7.5.6 Finish the pump hose replacement
1. Open the suction and discharge valves.
7.6 Remove the cover
1. Remove the lubricant (refer to section 7.5.1).
2. Remove the pump hose (refer to section 7.5.2).
3. Place a strap on the cover and connect the
strap to a crane.
4. Guide the cover by hand while you remove it.
B
A
B
A
Caution
When the pressing shoes are worn the
compression force of the hose could
decrease. This can result in a loss of
capacity due to backflow of the pumped
liquid. Backflow results in a reduction of
hose life.