Hazet-Werk 3788/37 Instrucciones De Uso página 29

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Timing Belt Adjustment
For model usage / engine codes
refer to Application Chart, pages 6-9.
3
Figure
page 3
Special Wrenches for adjusting the timing
belt tensioners
3788-10, 3788-11 and 3788-18
3788-10 locates into the square drive of the
tensioner roller on XUD11and DK/DJ engines.
3788-11 locates into the square drive of the
tensioner roller on TUD3 and TUD5 diesels.
3788-18 locates into the square drive of the
tensioner roller on DW8 diesels.
Flywheel Holding Tools
For model usage / engine codes
refer to Application Chart, pages 6-9.
4
Figure
, page 3
Holding Tools for Crank Pulley Removal
3788-12, 3788-13 and 3788-14
NOTE:
On many applications to remove
the timing belt you must remove the
crankshaft pulley. Engine Locking
Pins must not be used to hold the crankshaft
whilst releasing or tightening the pulley bolts
as engine damage will result. Locking Pins are
for retention of timing position only - Use
Flywheel Holding Tools 3788-12, 3788-13 or
3788-14 for applications detailed in
Application Charts.
Part 1 B:
Common Rail HDi Diesel engines
1.4 HDi and 1.6 HDi Diesel Engines
For model usage / engine codes
refer to Application Chart, pages 6-9.
PSA 1.4 and 1.6 HDi diesel engines, jointly
developed with Ford, require the use of 3 x
Locking Pins during timing belt replacement
applications.
5
Figure
page 3
Flywheel Locking Pin 3788-22
• Remove blanking plug in the bell housing
where Locking Pin 3788-22 is to be inserted.
Rotate the crankshaft until 3788-22 can be
Maintenance work on engines must be carried out only by
experienced mechanics. Always wear personal protective equipment.
Composition and Function
• Re-fit the crankshaft pulley bolt (to facilitate
Figure
Camshaft Locking Pin 3788-23
• Turn the engine until the camshaft sprocket
Figure
Injection Pump and Crankshaft Locking Pin
3788-21
• Check that the crank keyway is in the
NOTE:
Additional application:
pump sprocket. If there is not a datum hole in
the pump bracket, behind the sprocket, to
accept the Locking Pin, then align the pump
sprocket position by positioning the holes in
the spokes vertically – one above the other.
Figure
• When fitting new timing belt, apply
• Check engine timing by ensuring Pins
• Insert Locking Pin 3788-22 into the flywheel
inserted into one of the slots in the flywheel
to lock the engine to assist removal of the
crankshaft pulley.
engine turning), and remove Locking Pin
3788-22.
6
page 3
timing holes align (approximately the
2-o'clock position) and insert Locking Pin
3788-23.
7
page 4
11-o'clock position and insert Locking Pin
3788-21 to confirm correct crankshaft
position.
Locking Pin 3788-21 is also used to
check the fuel pump alignment via
holes in two of the spokes of the
8
page 4
tension by turning the tensioner roller anti-
clockwise until the pointer is positioned
between the sides of the window. Re-fit
removed parts and remove the Locking
Pins. Carefully rotate the crankshaft
10 times by hand clockwise.
3788-21 and 3788-23 can be inserted and
fuel pump sprocket is correctly aligned.
Re-check the tensioner pointer is positioned
within the window.
to fit the crankshaft pulley, using a new bolt.
GB
29
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