Replacing The Valve Assembly - Buhnen Hb 720 R Originalbetriebsanleitung

GB
6.6

Replacing the valve assembly

Tools needed
Fig. 6.6/1:
1. Let the device heat up thorougly. Continue activating the trigger until the tank is com-
2. With the cover closed undo the xing screw (E1) of the lever (E2) with the Allen
3. Undo the screws (E4) with the Allen wrench 2.5 mm. Remove the cover casing (E5).
4. Screw the auxiliary screw M4 in to the clamping piece (E7). Release the clamping
5. Decrease the pressure to 1....2 bar. Briefly actuate the trigger. The burst of pressure
6. Fit the new components, cover casing and lever in reverse order.
H2200XM_DE-EN_200720.indd 31
E8
E7
E6
Replacing the valve assembly
pletely empty.
wrench 4 mm. Remove the lever and carrier (E3).
screw (E6) with washer with a 2.5 mm Allen key. Carefully remove the clamping piece
with auxiliary screw M4 from the valve housing. Also remove the spring (E8) and the
cone (E9).
ejects the valve (E10) and spring (E11) from the valve housing. Hold a cloth in front of
the opening to catch these (hot!) parts.
• 1 Allen wrench 2,5 mm
• 1 Allen wrench 4 mm
• 1 auxiliary screw M4
E1
E2
E3
E4
E5
E11
E10
E9
31
Servicing/Maintenance
26.07.21 08:55