Liquid Cooling; Water Pump (H.l 30) - Hatz 2-4L30 Workshop Manual

A 30.00 Liquid cooling
A 30.20 Water pump (H.L 30)
–
Preparations:
– Drain the coolant.
– Take off the alternator.
Dismantling:
(Fig. 201)
– Detach the coolant lines at the water
pump.
– Unscrew hex bolts 1 with spring
washers 2 and take off the water pump.
– Remove screws 3 with spring washers 4
and take off V-belt pulley 5.
– Take out screws 6 with copper washers
7 and remove pump element 8 with seal
9 from housing 10.
Checking parts:
– Check housing for evidence of damage.
Note:
If the following damage is detected, renew
complete pump element 8:
– Damaged pump impeller.
– Worn sealing ring in pump element
(water leaking from the hole in the
pump element).
– Bearing worn.
Assembling:
– Assemble by following the dismantling
instructions in the reverse order as
appropriate.Install pump element 8 with
the water drain hole facing down.
2
10
9
8
201
1
7 6
4
3
5
2
L / M . . 09.96