Snap-On Dual 3412 - Pump and Storage Procedures

3-7
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9. Check for leaks.
Pump
The oil in the pump assembly must be changed quarterly to
prolong pump life. The optional oil change kit is recommended.
For additional information refer to Replacement Parts in this
chapter. All parts necessary to change the pump oil are
included in this kit.
Maintaining the Pump
1. Perform a Recycle on the service hoses, if necessary.
For additional information refer to Chapter
2Evacuating Service Hoses.
2. Unplug
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from electrical outlet.
3. Remove screws holding top cover.
4. Remove top cover.
Figure 3-3: Pump
A  Outlet Line Connection at Pump
B  Input Line Connection at Pump
C  Outlet Line (Tube)
D  Process Line (Tube)
E  Input Line (Hose)
F  Process Line Connection at Pump
5. Remove the screws holding the front cover and remove
the front cover