![]() ![]() The type of truck the trucks capacity the design series of the truck and a further indicator of type for electric truck models. And they are instantly downloadable in a PDF format that can be read on any computer with a PDF reader. To find a serial number for a forklift of a different brand click here for our other guides. I do not have other number I think is a really old forklift as I understand from Internet its from before 1972 when Hyster defined their current numbering. From our origins in 1929 as a small manufacturer of winches and lifting machines used in the United States Pacific Northwest logging and timber industry we matured into a leading global manufacturer of lift trucks and warehousing equipment. The capacity plate also known as a name plate or data plate should be attached to the forklift near the operator seat sit-down forklifts or within easy eyesight stand-up forklifts. The engine is Continental Motors Y112.įree Hyster H80ft H90ft H100ft H110ft H120ft Forklift Service Repair Workshop Manual Download Forklift Repair Manuals Hydraulic Systems The first step in identifying the age of a Hyster or Yale forklift is to locate the serial number which is stamped into the capacity plate. Its like once the fluid pressure that holds the spool head forward in relation to the inching spool is released by depressing the inching pedal, it doesn't return the spool backwards when released- its just goes back in and hits the stop on the backside of the spool head.Sample Hyster Forklift Price Ranges by Model. When assembled this way though, the inching pedal returns to press the spool back into the valve body, but doesn't seem to now press the spool backwards to a position to return pressure back to the clutch circuit. Here's what I need to know- i remade a bolt, and I believe it goes in the position shown in the pic, between the front of the inching spool, and the back of the spool head. ![]() Which meant the brakes engaged- so they disconnected those. This allowed the spool to travel all the way forward, and the trans to engage only when the inching spool was depressed. The cut the stop bolt that goes through the top of the valve body into the inching spool. While I was away, one the guys tried to "fix" the lift. as well as a short in the electrical solenoid wiring, a bad ignition switch, or goo in the solenoid. Residual pressure in the brake circuit will do it too. Setting the handbrake disengages the drive.Īny one or more of these, or something plugging the Monotrol pedal, will cause it to exhibit problems. Pressing on the OTHER brake pedal, disengages the drive altogether. The function of the mechanical link, is to dump the transmission's clutch pack pressures anytime you're pressing down on ONE of the footpedals.Ĭoncept is simple: Pressing on ONE of the brake pedals will allow a certain amount of brake force to exist, WHILE the transmission/converter is pushing against a load. ![]() The function of the small brake line, is to dump the transmission's clutch pack pressures anytime the hydraulic brakes are above about 60psi or so. The function of the solenoid, is to dump the transmission's clutch pack pressures anytime the handbrake is set. and on the far left is a goofy little rod/ball linkage that goes to a bellcrank coming out of the same area of that solenoid. There's also a small tube with a flare fitting on it, follow that tube and it PROBABLY goes down to the brake line. on your transmission, a few inches aft of the steering valve, is a nice pretty solenoid, with a YELLOW wire coming off of it. Now, the Monotrol is basically just a single planetary transmisson behind a torque converter, and the transmission has only a Forward and Reverse function as controlled by the Monotrol pedal. Press on the RIGHT side, the REVERSE circuit is pressurized, and pushing further opens the throttle. and as you press further, the whole throttle pedal swings, opening the engine's throttle. See 'em down at the bottom of the pedal? So, when you push down on the LEFT side of the pedal, the FORWARD circuit is pressurized. In that 'flip' linkage, is a tiny hydraulic valve that shuttles incoming hydraulic pressure from one of the three hoses to either one, or the other returning. Underneath the pedal is a pivot, so that the face of the pedal can 'flip' one way, or the other. The monotrol pedal has a right and left side. I have an H50H of very similar vintage, albeit with a Ford Industrial 192 four-cylinder, larger diameter pneumatic tires, and only one brake pedal, but I have Monotrol, and can tell you enough so that you can troubleshoot the issue. Click to expand.Hell, what you REALLY need to know, is that this is a Monotrol transmission, and the basics of how it works, and why. ![]()
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