Case Puma 170, 185, 200, 215, 230 CVT Tractor Service Manual
$40.00
Case Puma 170, 185, 200, 215, 230 CVT Tractor Service Manual – 2522 Pages & 5308 Pages
Publication Number: 47524345 & 84476208A
English
June 2013 & June 2011
Format: PDF
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Description
Case Puma 170, 185, 200, 215, 230 Tractor Manual
Puma Tractor Model: 170, 185, 200, 215, 230 CVT
Publication Number: 47524345 & 84476208A
English
June 2013 & June 2011
Format: PDF
Case Puma 170, 185, 200, 215, 230 CVT Tractor Service Manual – 2522 Pages & 5308 Pages
Manual Table of Content:
- Introduction
- Engine
- Clutch
- Transmission
- Four Wheel Drive
- Front Axle
- Rear Axle
- Power Take Off
- Brake and Controls
- Hydraulic Systems
- Pneumatic System
- Hitches, Drawbars and implement couplings
- Frames and ballasting
- Steering
- Wheels
- Cab climate control
- Electrical System
- Plateform, cab, bodywork and decals
Manual Extract: Electric PTO Speed Shift
The electric shift system replaces the PTO speed selecting lever with a rotary three position switch to select the required PTO speed. The speed change switch is located near the right hand side C pillar of the tractor cab.
The electric speed selecting system replaces the control lever in the cab with a switch and motor coupled via a gearbox and worm drive system. The worm drive moves a carriage that has the Bowden cable attached to it, the motor can be driven in either direction using a H configuration relay drive system, so the PTO speed may be changed from low speed to N to high speed or vice versa as required. The motor drive system senses the current through the motor and has a Hall effect position sensor that is connected to the moving carriage within the electric shift unit.
To select the high PTO speed the motor is driven to a position approximately 200 A to D counts ( 0.97v or 19%) greater than the fully retracted position, acquired during the PTO shift mechanism calibration process; the drive current is also checked to ensure that it is lower than a preset level which occurs when the selector mechanism is in the detented position for the required speed.
To select the low PTO speed the cable is driven to a position approximately 200 A to D counts ( 0.97v or 19%) less than the fully extended position limit, acquired during the PTO shift mechanism calibration process, the drive current is checked to ensure that it is at or lower than a preset level which occurs when the selector mechanism is in the selected gear detented position.
Mechanical layout of the PTO speed change lever on the transmission case.
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