Multiquip submersible pumps px400 - Manual (Page 21)

cx400/px400 Sub. pump • operation and partS manual — rev. #1 (12/03/10) — page 21
Maintenance
Cleanup
1. Wipe off any mud or debris that might have attached
itself to the pump.
2. If the pump was used to pump mud, grit or silt, flush
vigorously with clean water.
3. Store pump in a clean dry place away from dirt and
debris.
lubrication
To check the lubrication oil level of the mechanical seal
perform the following:
Checking Lubrication Oil Level (2,000 hours/6 months)
1. Lay pump flat on its side (PX400 only) as shown in
Figure 17.
Figure 17. Checking Lubrication Oil Level
2. Using a screwdriver, remove oil plug.
3. Visually inspect oil plug hole to verify that oil cavity is
full enough to cover seal spring.
4. When reinstalling oil plug, apply teflon tape to prevent
leaking.
REMOVE
PACKING
REMOVE
OIL
PLUG
LAY PUMP FLAT
ON ITS SIDE
SUBMERSIBLE
PUMP
PX400
NOTICE
Refer to Figure 21 for the location of oil plug. for
the CX400 submersible pump. Pump must be dis-
assembled to gain access to oil plug. When adding oil
to the CX400 pump, pump must be turned upside down.
Changing Lubrication Oil (4,000 hours/12 months)
1. If lubrication oil level is low, block the oil fill opening
with a finger and lay pump on its side (Figure 18) to
drain oil into a small container.
Figure 18. Draining Lubrication Oil
2. Use a funnel (Figure 19) and fill oil cavity with Fluid
Paraffin P70 lubrication oil or equavalent. Pump oil
cavity capacity is 175 cc. Fill to 75-80% capacity to
allow for expansion. Replace lubrication oil every 12
months (4,000 hours) or as needed.
Figure 19. Adding Lubrication Oil