TESTO 0554 0307 Mode D'emploi page 8

Plunger collar or back valve are not sealed
properly (See 5.5 Checking plunger collar and
back valve).
5.4 Checking rubber hose
1 Twist off spiral protection spring.
2 Inspect rubber hose.
3 Change rubber hose if necessary.
5.5 Checking plunger collar and back
valve
1 Remove cylinder cover plate by twisting it to
the left.
Do not damage collar on thread of cylinder
inner wall.
2 Slowly pull out plunger until the end of the
cylinder is reached.
- Plunger collar shows clear signs of wear and
tear or damage: change collar (See Chapter
5.5 Changing the plunger collar)
-or-
- Plunger collar does not show any or little
wear:
Regrease smoke pump to ensure it is sealed
(See 5.2 Regreasing smoke pump).
3 Recheck smoke pump for leaks (See 5.3
Checking for leaks).
If the smoke pump is not yet properly sealed, the
back valve is probably defect.
Unscrew valve by turning it to the left using
the enclosed key and replace with new valve.
5.6 Changing plunger collar
1 Cut old collar with a knife and remove from
the plunger rod.
2 Place new collar on a solid surface.
3 Press the plunger rod (side with indent) in the
collar opening.
4
4 Check if the rubber part is locked into place in
the indent.
5 Apply lubricating oil to collar.
6 Put smoke pump back together again.
5.7 Changing valve and valve fitting
1 Unscrew the old valve with the valve spanner
included. Remove the inserted flat gasket.
2 Screw in new valve and new gasket with the
valve spanner until the parts cannot be turned
further without the use of force.
3 Screw the valve tight with an eigth to a quarter
of a turn The gasket seals the valve.
If the valve is screwed in too far or too tight,
the valve fittin g will be destroyed.
6. Spare parts
Valve set consisting of clamping part
and valve .........................................................0554.0412
Plunger collar ..................................................0135.0116
Sampling probe ...............................................0180.0135
Probe holder ...................................................0135.0115
Protective spring .............................................0130.0019
Probe hose ......................................................0086.1000
7. Accessories
Smoke pump set .............................................0554.0307
(Barcode no. EAN 4029547000386)
Filter paper ......................................................0554.0308
Smoke scale....................................................0554.0309
Lubricating oil ..................................................0554.0304
8. Warranty
2 years