5-8
Repair manual KTM LC8
Art.-Nr
. 3.206.009-E
Checking the suction pump for wear
– Insert both suction pump rotors in the housing.
– Use a feeler gauge
A
to check the clearance between the inner and
outer rotor:
Setpoint value: 0.1 mm
Wear limit: 0.2 mm
– Use a feeler gauge
A
to check the clearance between the outer rotor
and the housing:
Setpoint value: 0.2 mm
Wear limit: 0.4 mm
– Use a feeler gauge
A
and a straight edge
B
to check the axial
clearance:
Setpoint value: 0.04 mm – 0.09 mm
Wear limit: 0.25 mm
Checking the pressure pump for wear
– Insert both pressure pump rotors in the case.
– Use a feeler gauge
A
to check the clearance between the inner and
outer rotor:
Setpoint value: 0.1 mm
Wear limit: 0.2 mm
– Use a feeler gauge
A
to check the clearance between the outer rotor
and the case:
Setpoint value: 0.2 mm
Wear limit: 0.4 mm
– Use a feeler gauge and a straight edge to check the axial clearance:
Setpoint value: 0.04 mm – 0.09 mm
Wear limit: 0.25 mm
Bypass valve
– Remove the lock ring
1
on the bypass valve using suitable pliers and
take the individual bypass valve parts out of the housing.
NOTE: the spring is pretensioned.
– Check parts for visible wear and damage.
– Measure the length of the pressure spring:
Minimum length of pressure spring: 42.0 mm
– Clean parts, oil the pistons and insert in the bore. Position the spring,
place a washer on the spring and mount the lock ring in the groove
using suitable pliers.
A
A
A
A
1
A
B
