hecht 3635 - Cleaning the Pump Housing; Maintenance

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4. Remove the pump drain plug (fig. 11) and drain the pump chamber after finishing work.
5. Remove filler cap (fig. 7) from the pump and flush the pump chamber with clean water.
6. Allow water to drain from the pump chamber and replace filler cap and drain plug.
CLEANING THE PUMP HOUSING
Note: I It is very important that the pump housing is opened and cleaned after every use to
insure debris does not harden and damage the pump during the next start up.
1. Loosen bolts (fig. 19) and remove pump cover.
2. Rinse the inside of the pump cover and inspect the pump cover o-ring (fig. 20a) to insure it is intact
for reassembly (replace if needed). Apply a light covering of water compatible grease if needed.
3. Remove, rinse and clear any debris from the volute case (fig. 22). Inspect the case and
flapper for damage.
4. Inspect volute case o-ring (fig. 22a) to insure it is intact prior to reassembly (replace if
needed). Apply a light covering of water compatible grease if needed.
5. Insert the volute housing by placing the positioning hole in the housing (fig. 20).
6. Replace the pump cover, replace and tighten bolts.
MAINTENANCE
Good maintenance is essential for safe, economical and trouble-free operation.
CAUTION! A I
mproper maintenance, or failure to correct a problem before operation, can cause
malfunction in which you can be seriously hurt or killed. Always follow the inspection
and maintenance recommendations and schedules in this owner’s manual.
C Disconnect the spark plug before performing any service on the machine. Wait till
all moving parts are completely stopped.
• To help you properly care for your engine, the following pages include a maintenance
schedule, routine inspection procedures, and simple maintenance procedures using basic
hand tools. Other service tasks that are more difficult, or require special tools, must be
performed by an authorized service centre.
• The maintenance schedule applies to normal operating conditions. If you operate your
engine under severe conditions, such as sustained high-load or high-temperature operation,
or use in unusual wet or dusty conditions, consult your servicing dealer for recommendations
applicable to your individual needs and use.
• After finishing season carefully clean the machine and all metal and moving parts lubricate
by grease or oil so that the machine would be prepared for next season. Before next
operation with the machine carefully check all the components.
• Frequently check fastening of all screws, nuts etc. in order to keep the machine in safe
working condition.
• Once in the season let inspect and maintain the machine in authorised service center.