Remove timing chain guide (tensioner
side) and lower timing chain guide.
1. Timing chain
2. Lower timing chain guide
3. Timing chain guide (tensioner side)
Carefully pull the timing chain
downwards and sideways, then out of
the crankcase.
Removing theTiming Chain (PTO Side)
NOTE: Mark the operating direction of
the timing chain and check for excessive
radial play before removal. Refer to
INSPECTING THETIMING CHAIN.
Refer to BOTTOM END subsection and
remove following parts:
- PTO cover
- Breather gear
- Intermediate gear.
Refer to PTO END subsection and
remove following parts:
- Valve cover.
Refer to following procedures in this
subsection and remove following parts:
- Chain tensioner
- Camshaft timing gear.
Remove timing chain guide (tensioner
side) and lower timing chain guide.
1. Timing chain
2. Lower timing chain guide
3. Timing chain guide (tensioner side)
Carefully pull the timing chain sideward
and down from the crankcase.
Inspecting the Timing Chain
Inspection is the same for both timing
chains.
Check timing chain on camshaft timing
gear for excessive radial play.
CHECK TIMING CHAIN RADIAL PLAY
Check chain condition for wear and
teeth condition.
1. Timing chain
If chain is excessively worn or damaged,
replace it as a set (camshaft timing gear
and timing chain).
Check timing chain guides for wear,
cracks or deforming. Replace as
required.
NOTE: Check also the timing chain
guide (tensioner side).