Pump Replacement - Thermo Scientific 49i Instruction Manual

Servicing

Pump Replacement

Pump Replacement
7-10 Model 49i Instruction Manual
3. If either fuse is blown, replace both fuses.
4. Insert fuse drawer and reconnect power cord.
Use the following procedure to replace the pump (see
rebuild the pump, see "Pump Rebuilding" in the "Preventive Maintenance"
chapter.
Equipment Required:
110V pump
Philips screwdriver
Equipment Damage Some internal components can be damaged by small
amounts of static electricity. A properly grounded antistatic wrist strap must
be worn while handling any internal component.
1. Turn instrument OFF, unplug the power cord, and remove the cover.
2. Disconnect pump power line from AC PUMP connector on the
measurement interface board.
Pump
Pump Bracket
Pump Mounting Screws (2)
(Bottom)
Figure 7-4. Replacing the Pump
3. Remove both lines from pump.
Figure 7-4). To
Captive Screws (4)
Shock Mounts (4)
Floor Plate
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