Kärcher HD 1050 Service Handbook page 22

Trouble shooting
22
6.2 Ball bearing and seal defective
Remove the cylinder head.
Remove the piston housing.
Pull the swash plate off the shaft.
Remove the oil housing.
Carefully lever out the oil seal with a screwdriver.
Heat the bearing end of the housing evenly with
a flame torch until the ball bearing race falls out.
It may be necessary to tap the housing with a
wooden hammer.
While the housing is still hot fit it with the new
ball bearing race (cold) and tap it in with a brass
drift.
Press the bearing from the swash plate and
press on the new one.
Fit a new oil-seal without greasing it.
Remount the oil housing.
Remount the swash plate, housing and cylinder
head as previously described.
6.3 Motor fan defective
Remove the fan cowling.
Pull off the motor cooling fan using a puller
(special tool).
The tolerance ring should always be replaced.
Press the new motor fan onto the motor shaft.
Reinstall the fan cowling.
HD 1050