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Portable Hot Oil Temperature Control Units Page 39
Lubricating the Pump
Using #2 ball bearing grease and a hand-operated grease gun, gently lubricate all grease
fittings after every 500 hours of operation or after 60 days, whichever comes first. If pump
service occurs in severe conditions, lubricate more frequently. Use an appropriate type of
grease for hot or cold applications.
Adjusting End Clearance
After long periods of service, the running clearance between the end of the rotor teeth and
head may be increased from wear. The pump may lose some capacity of pressure as a result.
If you reset the end clearance, pump performance should improve.
Examining Internal Parts
Remove the head occasionally and examine the idler, bushing, head and pin for wear.
Replace the idler bushing and idler pin after moderate wear to avoid replacing more
expensive parts later.
Note: Make sure the idler doesn’t slide off the idler pin during
head removal to avoid damage and personal injury.
Cleaning the Pump
A clean pump is easier to inspect, lubricate, and adjust; it runs better and looks better!
Storing Your Portable Hot Oil Temperature Control Unit
If you anticipate that your unit will be out of service or stored for a long time, flush and drain
the pump and circulating system to protect it from freeze-ups or rusting. See Section 6-3 on
Page 35 for more information.