Laser 6301 Instructions page 8

Safety Precautions - please read
Incorrect or out of phase engine timing can result in damage to the valves. The
Tool Connection cannot be held responsible for any damage caused by using
these tools in anyway.
• Disconnect the battery earth leads
(check radio code is available)
• Remove spark or glow plugs to make
the engine turn easier
• Do not use cleaning fluids on belts,
sprockets or rollers
• Always make a note of the route of the
auxiliary drive belt before removal
• Turn the engine in the normal direction
(clockwise unless stated otherwise)
• Do not turn the camshaft, crankshaft
or diesel injection pump once the
timing chain has been removed
(unless specifically stated)
• Do not use the timing chain to lock the
engine when slackening or tightening
crankshaft pulley bolts
• Do not turn the crankshaft or camshaft
when the timing belt/chain has been
removed
6
• Mark the direction of the chain before
removing
• It is always recommended to turn the
engine slowly, by hand and to re-
check the camshaft and crankshaft
timing positions
• Crankshafts and Camshafts may only
be turned with the chain drive
mechanism fully installed
• Do not turn crankshaft via camshaft or
other gears
• Check the diesel injection pump
timing after replacing the chain
• Observe all tightening torques
• Always refer to the vehicle
manufacturer's service manual or a
suitable proprietary instruction book
• Incorrect or out of phase engine timing
can result in damage to the valves