4307 & 4310 Blower | 25
The time intervals between the various maintenance procedures depends
greatly on such factors as:
• Type of product being pumped
• Actual pumping time
• Idle equipment (periods of non use)
• Set up perimeters (rpm and working vacuum and pressure)
• Working climate and conditions
It is therefore up to the operator to adjust the following schedule accordingly.
Lubrication:
Unlike a typical rotary vane vacuum pump, the Challenger Series 4307 high
vacuum blower does not use oil in it’s operation. Therefore it is important to
periodically lubricate the internal parts in the blower to keep it free of rust and
corrosion, which can cause seizing or catastrophic failure.
Main Pump Housing – Diesel ush;
At least weekly.
• Your blower comes standard with a die-
sel ush kit installed. This is used to in-
troduce small amounts of diesel into the
machine to clean out debris and inhibit
rust. Note this procedure is also followed
daily in cold climates to help keep any
moisture that may be in the blower from
freezing up.
• Make sure the reservoir contains diesel
fuel.
• While the blower is running at it’s lowest
rpm setting with the vacuum/pressure
change over valve in the neutral position,
open the brass valve at the base of the
diesel ush reservoir and close it after 2
seconds.
• In instances where there is signicant water or product in the blower
this process can be repeated as necessary. In that case the drains
in the bottom of the silencers should be left open until the process is
complete.
4307 Blower Maintenance
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