The steering clutches are inside the final drive housings. Keep in mind that the two clutch packs in the reverser are not the same as the clutch packs which allow steering. If the clutch packs unload the engine when the oil is warm, you have some reverser issues which means pulling the reverser.Īnd, that means starting at the nose and removing everything until you have the reverser out. The oil flow inside the reverser will heat the oil. Let the running in trans neutral go on for a while. That might just do the trick, cleaning the 'slimyness' off them from the old oil. Also, with the new fluid in place, there ought to be a cleaning action on the parts of the reverser clutch packs. Just by that, there will be a drag on the engine and you ought to be able to tell that they are engaging. Listen for the sound change in the engine as the reverser clutch packs are pressurized and so engage power to the output side. What you want to do, is put the trans in neutral so you don't move the machine, then with the clutch pedal up, work the reverser lever from its neutral to forward, then back to neutral, then into reverse. The output of the reverser goes into the gear transmission, which also has a neutral position. This, independent of the position of the reverser lever. The 'clutch pedal' opens such a valve to disengage whichever clutch pack is being operated. There is a neutral position where the oil pressure is dumped back to sump and neither clutch pack is engaged. Inside the reverser is an oil pump that valves control to engage the forward or reverse drive clutch packs inside the reverser. The way your machine works is the engine drives the reverser directly. So, I am presuming you understand how a governor works in my previous statement on engine loading. There are things we are likely to presume from tractors which we will leave out unless we know to mention them., Does that mean crawlers or machinery in general. You will hear that plain enough as the sound changes. Loading means just that, the engine drops RPM and picks it up. Left and right mean from the operating position.
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