Checking The Suction Pump For Wear; Checking The Pressure Pump For Wear; Bypass Valve - KTM 2003 950 Adventure Repair Manual

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Checking the suction pump for wear

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– Insert both suction pump rotors in the housing.
– Use a feeler gauge
outer rotor:
– Use a feeler gauge
and the housing:
– Use a feeler gauge
clearance:
B

Checking the pressure pump for wear

A
– Insert both pressure pump rotors in the case.
– Use a feeler gauge
outer rotor:
– Use a feeler gauge
and the case:
– Use a feeler gauge and a straight edge to check the axial clearance:

Bypass valve

– Remove the lock ring
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:
– 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.
NOTE: different pistons were installed starting with engine number
2-600-00773. Engines of an earlier make must be converted; see
Technical Information, Chapter 1.
to check the clearance between the inner and
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Setpoint value: 0.1 mm
Wear limit: 0.2 mm
to check the clearance between the outer rotor
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Setpoint value: 0.2 mm
Wear limit: 0.4 mm
and a straight edge
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Setpoint value: 0.04 mm – 0.09 mm
Wear limit: 0.25 mm
to check the clearance between the inner and
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Setpoint value: 0.1 mm
Wear limit: 0.2 mm
to check the clearance between the outer rotor
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Setpoint value: 0.2 mm
Wear limit: 0.4 mm
Setpoint value: 0.04 mm – 0.09 mm
Wear limit: 0.25 mm
on the bypass valve using suitable pliers
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Minimum length of pressure spring: 42.0 mm
5-8
to check the axial
B