Hazet 4794/48, Руководство по эксплуатации

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Maintenance work on engines must be carried out only by experienced mechanics.
Always wear personal protective equipment.
3
Design and Function
Locking Device for twin camshaft
engines
4794­1 Locking Device for twin camshaft engines,
quad camshaft engines (additional tool
required for some engine configurations),
locking the diesel injection pump sprock­
ets in regard to the camshaft Engine Tim­
ing/Sprocket Locking Device 4794­1.
• Locking Device 4794­1 retains twin camshafts
in their timing position to ensure the engine
timing is held during timing belt replacement
applications.
• On Diesel engines which have their camshaft
and injection pump sprockets close together,
4794­1 can be used in the same way as twin
camshaft sprockets, to retain timing.
• 4794­1 Locking Device locates in to the
sprocket teeth providing strong lock, in parallel
fit or lateral/off­set positioning.
Special Features of 4794-1:
• Variable Pitch feature: This design incorpo­
rates adjustable arms which extend or retract
to cover various camshaft/injection pump
sprocket diameters and tooth pitch.
• Ratchet Locking Handles: Two ratchet style
handles for secure clamping in a restricted
space.
• Flanged Sprocket Applications The tool’s slot­
ted heads allow use on sprockets with flanged
edges.
Application:
• Slacken both ratchet handles and close the
arms together. Position the back of the arms
on the face of the sprockets. Locate the lugs
of the left­hand arm into the teeth of the left­
hand sprocket and extend the other arm along
the bridge piece, as horizontally as possible,
to locate the other sprocket. Spread the arms
apart and into the sprocket teeth.
• Tighten the Ratchet Handles to give firm fixing.
Check that all four lugs are fully engaged into
the sprocket teeth. Always keep Locking Pins
well lubricated.