2009-2010 Suzuki DF70A DF80A DF90A Outboard Service Manual, Page 291Get this manual
Power Trim and Tilt:
O-ring Inspect the O-ring between the PTT motor and PTT pump assemblyReplace if cuts, nicks or tears are found(B)
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Ensure that the mica (insulator) between commutator segments are undercut "a" to specified depthIf undercut is less than service limit, cut to specified depth
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WARNING
PTT Motor Relay Inspection
Wear safety glasses when using compressed airNOTE Remove all particles of mica and metal using compressed airCommutator undercut Standard: 1.6 1.9 mm (0.06 0.07 in Service limit: 1.0 mm (0.04 in
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1) Remove the PTT motor relay from the electric parts holderRefer to "Electric Parts Holder Removal and Installation" in Section 1D (Page 1D-5)2) Check the resistance between each two lead wiresSpecial tool (A): 0993099320 (Digital tester) Tester knob indication Resistance) PTT relay coil resistance Between "P" wire and "B" wire: 25 37 Between "Lbl" wire and "B" wire: 25 37