Instruction manual

11.0 INSPECTION and MAINTENANCE SM425 INSTRUCTION MANUAL
Part number: 96751020
4. Place a new properly rated fuse in the holder together with the cap. Push and turn the cap
clockwise 90° with the screwdriver to complete installation of the fuse.
11.3 Replacing Flowmeter in SM425CAL Autocalibration Unit
NOTE: Mark original positioning of piping connections before disconnecting. Tighten an extra 5-10° when
reconnecting and perform a liquid-leakage test. Refer to Figure 11-8 and Figure 11-9
1. Disconnect the external piping and wiring to the SM425CAL unit.
2. Remove four M6 bolts holding SM425CAL unit to mounting bracket.
3. Disconnect internal piping from flowmeter.
4. Remove bolts holding flowmeter, and replace it. A white back plate (to make the float easy to see)
is attached. The end of the pin holding down the back plate must be on the bracket side.
5. Reconnect internal piping and attach SM425CAL unit to mounting bracket using four M6 bolts.
6. Reconnect external piping and wiring to SM425CAL unit.
42500001 REV A 185