Volvo 240 1984 Service Manual page 81

Gtoup 17,7,500 Mile Maintenance Service
- D24 diesel: timing gear belts -
924
Tension iniection pump gear belt.
Use injection pump bracket to tension gear belt.
Use belt tension gauge 5197 to set belt tension.
Installgauge on belt and set itto 12.5. Tension belt
until mark on plunger is flush with tool sleeve.
Tighten iniection pump retaining screws.
Depress belt heavily by hand. Re,check belt
tension. Adjust if required.
0
s25
Set iniection pump.
Install wrench 5199 to hold camshaft rear gear
Installwrench 5201with a torque wrench.lt should
be at a right angle to wrench 5201 to give correct
readrngs.
lJse wrench 5199 to turn camshaft gear until the
indicator gauge registers 0.85 mm:0.0334".
Hold camshaft gear in this position while tight-
ening center bolt to 100 Nm = 73 ft.lbs. Camshaft
or gear must not change position.
s26
Remove stop 5193.
Check iniection pump setting.
Turn engjne two full turns until cylinder No. 1 is at
top dead center and iniection (= both cam lobes
for cylinder No. 1 should point up equally large.
angles, flywheel timing mark at 0).
I n d i c a t o r g a u g e s h o u l d n o w r e a d 0 . 8 5 m m :
0.0334".
Correct reading:
Tighten injection pump retaining screws. Then
continue from op, 29,
Incorrect reading;
Re-adjust according to instructions.