SPX Cooling Technologies TG MAG185-125, TG MAG15-50 Specific components, 3.21.2.9Fluid circuits

• For fluids that solidify or become very viscous	2x Be
at ambient temperature, it is best to empty
the pump immediately after shutting down
by separating it from the piping. Always wear
safety goggles and gloves.

• Protect yourself with a protective cap. The fluid may spray out of the pump.

• Open the venting plugs Be and Bb.

• If no drain line is provided, take precautions so that the liquid is not contaminating the environment.

Bb

Ba

•Open the drain plug Ba at the bottom of the pump housing.

•Let drain the liquid by gravity.

•Purge pump spaces with flush media or cleaning liquid by connecting a purge system to the following inlet openings:

- Ba, Be: plugs close to both flanges for purging the pump casing part

- Bb: plug on top of the intermediate cover for purging the magnetic coupling

Note: If toxic liquids were pumped special precautions regarding flushing/cleaning of the pump and personal protection equipment must be taken before disassembling the pump.

•Re-assemble the plugs and close the valves, if any.

3.21.2.9Fluid circuits

•Depressurize the jackets and the retaining fluid circuits.

•Uncouple the connections to the jackets.

•If necessary, clean the jackets and the circuits with compressed air.

•Avoid any leakage of fluid or thermal oil into the environment.

3.21.3 Specific components

3.21.3.1Nuts and bolts

Nuts and bolts showing damage or parts with defective threading must be removed and replaced with parts belonging to the same fixation class as soon as possible.

•Preferably use a torque wrench for tightening.

•For the tightening torques, see table below.

	Ma (Nm)	Plug with
Bolt		edge and flat	Ma (Nm)
	8.8 / A4
		seal
M6	10	G 1/8	10
M8	25	G 1/4	20
M10	51	G 1/2	50
M12	87	-	-
M16	215	-	-

Plug with edge and elastic washer

3.21.3.2Plastic or rubber components

•Do not expose components made of rubber or plastic (cables, hoses, seals) to the effects of oils, solvents, cleaning agents or other chemicals unless they are suitable.

•These components must be replaced if they show signs of expansion, shrinkage, hardening or other damage.

3.21.3.3Flat gaskets

•Never re-use flat gaskets.

•Always replace the flat gaskets and elastic rings under the plugs with genuine spares.

A.0500.551 – IM-TGMAG/02.00 EN (02/2008) 45