TOHATSU TLDI 40 Service Manual page 140

!6 Disassemble and inspect the manual valve.
CH
• Check the tip of the valve for damage.
• Check the O-rings for damage.
• Check the seal washers for damage, especially the rubber seals.
• Check for wear and damage deep within the valve mounting holes.
Note: Watch for collapsed seal washers when reassembling.
!7 Inspect the drive joint.
CH
Remove motor and inspect drive joint.
• Confirm integrity of joint.
• Check for damage.
!8
Check to see if the filter is clogged.
CH
Remove motor, extract filter and clean.
!9 Inspect the relief valve and check valve.
CH
• Check spring for fatigue and damage.
• Check valve seat for damage.
• Check valve (ball) for wear and damage.
• Press the ball to check how it returns to confirm it is operating smoothly and is not affected by
foreign matter.
• Also, check to see if the filter is clogged when checking the relief valve (UP).
@0 Inspect the spool and spool valve.
CH
• Confirm that spool moves freely when pressed by hand.
• Check backup ring for wear and damage.
@1 Inspect the piston and tilt cylinder.
CH
• Check the piston for damage.
• Check O-rings and backup ring for wear and damage.
• Check the sliding surface of the cylinder for damage.
@2 Inspect the shock absorber valve on the tilt cylinder.
CH
Disassemble the piston.
• Check spring for a fatigue.
• Check valve ball for damage.
• Check valve seat for damage.
• Confirm valve has not been contaminated by foreign matter.
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