Walinga Grain-Vac 7614F Operator's Manual page 48

Every 100 Hours or Annually (cont'd)
2. Check the function of the vacuum and
pressure* relief valves.
3. Check the airlock tip blade clearances. If
clearances are over .010 adjust the
blades
(*pressure relief valve is optional)
3. Check the condition of the air line seals.
7614F Grain-Vac Operator's Manual 34-100853-6
Fig. 5-10 Vacuum Relief Valve.
Fig. 5-11 * Pressure Relief Valve.
Fig. 5-12 Boom Line Seal.
Fig. 5-13 Flex Hose Seals.
45