Komatsu CK20-1 Skid Steer Loader Repair Service Manual

Table of Contents

Komatsu CK20-1 Manual

Main sections and selected subjects identified in the source documentation:

• Manuals: Shop Manual
• STRUCTURE AND FUNCTION
• TESTING AND ADJUSTING
• REMOVAL AND INSTALLATION
• MAINTENANCE STANDARD
• OTHER
• This CK20-1 shop manual is an aid to improve the quality of repairs by giving the operator an accurate
• understanding of the product and by showing him the correct way to perform repairs and make judgements. Make sure
• you understand the contents of this manual and use it to full effect at every opportunity.
• workshop.
• following sections.
• This section explains the structure and function of each component. It serves not only to give an understanding
• of the structure, but also serves as reference material for troubleshooting.
• TESTING AND ADJUSTMENTS
• Troubleshooting charts correlating Problems to Causes are also included in this section.
• STANDARD MAINTENANCE
• This section gives the judgement standards when inspecting disassembled parts
• ADJUSTMENT OF THE PPC VALVE CLEARANCES
• The clearance of the PPC valve (hand and foot) levers is adjust as follows.
• k Lower the working equipment to the ground and stop the engine.
• Turn the ignition key to the I position and move the control levers in all directions in order to release all pressure in the hydraulic circuits.
• Return the ignition key to the O (OFF) position and remove it.
• Slowly loosen the oil-tank fill cap to eliminate residual pressure.
• Remove boot (1).
• Loosen the nut (2) that retains the disc (3).
• Tighten the disc (3) until it makes light contact with the 4 push-rods (4).
• a During this adjustment, take care not to activate any of the push-rods (4) individually.
• Secure this position by tightening the retaining nut (2) to the specific torque. 3Retaining nut: 11315 Nm