Yamaha F350B - Assembling the Tilt Ram; Checking the Absorber Valve; Checking the Tilt Cylinder and Trim Cylinder; Disassembling the Tilt Ram

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PTT cylinder
Disassembling the tilt ram
1. Remove:
• Tilt piston absorber valve “1”
2. Remove:
• Tilt piston “1”
Checking the tilt cylinder and trim cyl-
inder
1. Check:
• PTT body
• Tilt cylinder
Corroded/cracked  Replace.
2. Check:
• Inner surface of the PTT body
• Inner surface of the tilt cylinder
Scratched  Replace.
3. Check:
• Outer surfaces of the tilt piston
• Outer surfaces of the trim piston
• Outer surfaces of the free piston
Scratched  Replace.
4. Check:
• Backup ring
Damaged/worn  Replace.
5. Check:
•Trim ram
•Tilt ram
Rust  Clean using 400–600-grit sandpa-
per.
Bent/corroded  Replace.
6. Check:
•Pipe
Corroded/cracked  Replace.
Checking the absorber valve
1. Check:
• Tilt piston absorber valve
Dirt/residue  Clean.
Assembling the tilt ram
When assembling the PTT unit, do not use
a rag. Otherwise, dust and particles could
get on the PTT unit components, causing
poor performance.
PTT piston vice attachment “2”
90890-06572
PTT piston vice tool “2”
YB-06572
Tilt rod wrench “3”
90890-06569
Tilt rod wrench “3”
YB-06569
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