Parsun F40 EFI, Maintenance Manual

Page: 67 / 119

62
4. Remove the timing pulley washer, timing pulley and semicircular key.
5.
Check pulley and timing belt for cracks, damage or wear. Replace it if necessary.
6. Install the semicircular key and driven pulley.
Align the mark “1" on the driven pulley with the mark "▼" on the cylinder head. Then
temporarily tighten the driven pulley bolt.
Note:
Do not turn the pulley when the timing belt is not installed, otherwise the valve system
will be damaged.
7. Install the semicircular key and timing pulley.
Align the notch mark on the timing pulley with the mark "▼" on the engine body.
8.
Install a new timing belt with the timing belt part number upright.
Note:
Do not twist, rotate or bend the timing belt, otherwise it will be damaged.
Do not pour oil or lubricating oil on the timing belt.
Do not turn the pulley counterclockwise, or it will damage the valve system.
9.
Install the cover plate of the timing pulley and temporarily tighten timing pulley nut.
10. Turn the timing pulley clockwise for 2 turns to eliminate the slack of the timing belt.
Check whether the alignment marks are aligned.
11. Tighten the bolts and nuts.
Seating torque: Driven pulley bolt 38 Nm
Note:
Remove the driven pulley bolt with the flywheel gripper.
Tighten the timing pulley nut using a special socket spanner for timing pulley nut.
Disassembly and inspection
Cylinder cover
Disassembly
1. Remove cylinder head cover bolts.
2. Remove the cylinder head bolts in reverse order according to the numerical symbols on
the cylinder head.
3. Remove the cylinder head, and then remove the oil pump.
4. Remove the rocker shaft, spring and rocker arm assembly.
Note:
Before removing the rocker shaft, loosen the lock nut and adjust the screw to the
relaxed state.
5. Remove the intake and exhaust valves using the valve spring compressor.
Valve and valve guide