Buell 2003XB9S Service Manual page 284

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CLEANING AND INSPECTION
1. Clean all parts in cleaning solvent. Blow out holes and oil
passages with compressed air.
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1. Outer gerotor
2. Inner gerotor
3. Wear limit
Figure 3-120. Gerotor Wear Limits
2. See Figure 3-120. Inspect both gerotor sets for wear.
a. Mesh pieces of each set together as shown.
b. Use a feeler gauge to determine clearance.
c. The SERVICE WEAR LIMIT between gerotors is
0.004 in. (0.102 mm). Replace gerotors as a set if
clearance exceeds this dimension.
d. Measure thickness of feed gerotors with a microme-
ter. Replace gerotors as a set if they are not the
same thickness.
3. See Figure 3-118. Check gear shaft teeth for damage or
wear. Replace if necessary.
ASSEMBLY/INSTALLATION
Liberally coat all moving parts with clean engine oil to ensure
easy assembly and smooth operation at start-up.
1. See Figure 3-118.
tion thrust washer over end of shaft. Install new retaining
ring into groove in shaft.
2. Insert inner gerotor of the gerotor scavenge set over gear
shaft.
3. Place outer gerotor over inner gerotor to complete scav-
enge set.
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1. Gerotor separator plate
2. Slot on separator plate
3. Tab on oil pump body
4. O-ring
Figure 3-121. Separator Plate Slots
4. See Figure 3-121.
up slots on perimeter with tabs inside oil pump body.
5. Install a new O-ring into groove in pump body.
6. See Figure 3-118.
7. Place cover onto pump body. Install cover TORX screws.
Tighten to 70-80 in-lbs (8-9 Nm).
8. Place new mounting gasket in position.
If fittings were removed, use TEFLON® PIPE SEALANT or
HYLOMAR® on fitting threads.
9. Secure pump to crankcase with mounting screws.
Tighten to 125-150 in-lbs (14-17 Nm).
10. See Figure 3-119.
11. Attach feed line connections to both sides of the oil
pump.
12. Install new oil filter and fill oil reservoir with proper oil.
See 1.6 ENGINE LUBRICATION SYSTEM.
NOTE
Install gear shaft through body. Posi-
1
4
2
Install gerotor separator plate by lining
Place gerotor feed set over gear shaft.
NOTE
Attach return line connection.
2003 Buell XB9S: Engine 3-81