Toyota Land Cruiser 1988 Repair Manual page 22

Second
MAINTENANCE- Maintenance Operations
MA-7
EM1519
MA0057 MA0058
• Using a thickness gauge, measure the valve clear-
ance between the valve stem and rocker arm.
Loosen the lock nut and turn the adjusting screw
to set the proper clearance.
Hold the adjusting screw in position and tighten
the lock nut.
• Recheck the valve clearance. The thickness
gauge should slide with a very slight drag.
(e) Turn the crankshaft pulley one revolution (360°)
and align the mark as above.
Adjust only the valves indicated by arrows.
(f) Reinstall the cylinder head cover.
BRAKES
13. INSPECT BRAKE LINE PIPES AND HOSES
NOTE: Inspect in a well lighted area. Inspect the entire
circumference and length of the brake hoses using a
mirror as required. Turn the front wheels fully right or left
before inspecting the front brake.
(a) Check all brake lines and hoses for:
• Damage • Corrosion
• Wear • Leaks
• Deformation • Bends
• Cracks • Twists
(b) Check all clamps for tightness and connections for
leakage.
(c) Check that the hoses and lines are clear of sharp
edges, moving parts and the exhaust system.
(d) Check that the lines installed in grommets pass
through the center of the grommets.
14.
INSPECT REAR BRAKE LININGS AND DRUMS
(a) Check the lining-to drums contact condition and
lining wear.
Minimum lining thickness: 1.5 mm (0.059 in.)
(b) Check the brake drum for scoring
or
wear.
Maximum drum inside diameter:
297.0 mm (11.693 in.)
(c) Clean the brake parts with a damp cloth.
NOTE: Do not use compressed air to clean the brake
parts.