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The lubricating oil pump
Overhauling
265. Remove the pipe from the lubricating oil pump
and also the 4 screws. Allen key: 5 mm.
266. Remove the relief spring, guide pin, piston and
the gear wheels. Clean all the parts and replace
damaged or worn parts.
267. Install the gear wheels and check the gear
backlash, which should be 0.15–0.35 mm (0.0059–
0.0138").
268. Check the axial clearance. It should be 0.02–
0.12 mm (0.00079–0.0047").
269. Insert the piston, spring, guide pin and as-
semble the lower part of the pump. Install new seal
rings and the pipe.
270. Install new seal rings on the oil pump pipe. In-
stall the pump and the attachment yoke (1) for the
drainage of the oil trap. Tool width: 13 mm.
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