TL90 Weak PTO power

Jimbo

New member
2001 TL90 PTO power seems weak, can only take a small bite with snow blower and earlier while brush hogging, noticed main pto slowing down before slip clutch to mower slipped, motor rpm's normal, no power pull down before pto slows. Checked hydraulic oil, pulled pto "on" solenoid, checked spool, very clean, o- rings, spacers seem fine. Installed gauge on hydraulic line T fitting right at inlet to PTO, have 160#psi @ 1500 + rpm. Have read low pressure should be 247-275#psi??? Could this low pressure be not locking clutch up fully? And if so, how do you increase it? Thanks, must fix before we get another 5' snowstorm in Buffalo N.Y.!!lol
 

10-e-c-dirt

Active member
My TS 90 shop manual says to check hydraulic pressure @ 2100 RPM.
Peak Engine HorsePower is @ 2100 RPM
540 PTO is @ 1900 RPM.
 
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