Toyota Land Cruiser 1988 Repair Manual page 67

EM-36
ENGINE MECHANICAL- Timing Gears and Camshaft
EM4354
16. REMOVE TIMING GEAR COVER
Remove the twelve bolts, gear cover and gasket.
17. CHECK TIMING GEAR BACKLASH
Using a dial indicator, measure the backlash at several
places while turning the camshaft clockwise and coun-
terclockwise.
Standard backlash: 0.100-0.183 mm
(0.0039- 0.0072 in.)
Maximum backlash: 0.25 mm (0.0098 in.)
If the backlash is greater than maximum, replace the
camshaft and crankshaft timing gears.
18. REMOVE CAMSHAFT TIMING GEAR AND
CAMSHAFT ASSEMBLY
(a) Remove the two bolts mounting the thrust plate to
the cylinder block.
(b) Carefully pull out the camshaft and timing gear as-
sembly.
CAUTION: Be careful not to damage the
camshaft bearing.
19. REMOVE CRANKSHAFT TIMING GEAR
(a) Using a screwdriver and hammer, tap out the
crankshaft pulley set key.