Repair the Air Valve
Air Valve Repair Kit 245066 is available. Parts included in the kit are marked, for example (33†). For the best results, use all parts in the kit.
Disassembly
1.Prepare the pump for repair, page 13.
2.Remove the air valve sheet metal cover (36) and felt dampener (34).
3.Unscrew the cylinder screws (21).
4.Remove the valve cover (20) with the flat gasket (19†).
5.Use two screwdrivers to lift out the air valve plate (16†) and replace
6.Remove the air valve cup (15†).
7.Remove one retaining clip (14) with pliers DIN 5256C nominal size
Repair
Reassembly
Lubricate all
1. Assemble in reverse order.
Orient the new flat gasket (19) on the air valve plate (16) so that the channels in the plate are completely covered.
The hole in the air valve plate (16) aligns with the arrow on the housing.
Align
8.Screw cylinder screw (21) into the plug (12) and pull it out. Replace
9.Repeat steps 8 and 9 for clip and plug on opposite side.
10.Reach into the housing and press out the carriage (10).
11.Replace
2.Replace all parts with the new ones supplied in kit 245066.
Four profile seals (29) are provided in kit 245066 as in all 308HP kits. These seals need to be replaced only if the fluid covers are removed.
16 | 311688D |
