Case CX30C Mini Excavator Service Manual
$36.00
Case CX30C Mini Excavator Service Manual – 1375 Pages
Publication Number: 48175013
English
October 2017
Format: PDF
- Description
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Description
Case CX30C Mini Excavator Manual
Mini Excavator Model: CX30C
Publication Number: 48175013
English
October 2017
Format: PDF
Case CX30C Mini Excavator Service Manual – 1375 Pages
Manual Table of Content:
- Content
- Introduction
- Engine
- Hydraulics System
- Frames and Ballasting
- Tracks and Track Suspension
- Cab Climate Control
- Electrical System
- Booms, dippers and buckets
- Dozer Blade and Arm
- Platform, cab, bodywork and decals
- Special Tools Index
- Electrical Schematic
- Hydraulic Schematic
Manual Extract: Valve lapping
1. Apply compound evenly to the valve lapping surface.
2. Insert the valve into the valve guide. Lap the valve onto its seat with a valve flapper or screwdriver.
3. After lapping the valve, wash the compound away and apply oil, then repeat valve lapping with oil.
4. Apply prussian blue to the contact surface to check the seated rate. If it is less than 70%, repeat valve lapping again.
NOTE: when valve lapping is performed, be sure to check the valve recessing and adjust the valve clearance after assembling the valve.
Free length and tilt of valve spring
1. Measure the free length (B) of valve spring with vernier calipers. If the measurement is less than the allowable limit, replace it.
2. Put the valve spring on a surface plate, place a square on the side of the valve spring.
3. Check to see if the entire side is in contact with the square. Rotate the valve spring and measure the maximum tilt (A). If the measurement exceeds the allowable limit, replace it.
4. Check the entire surface of the valve spring for scratches. If there is any problem, replace it.
Factory specificationย – 37.0 โ 37.5 mm (1.46 โ 1.48 in)
Allowable limit – 36.5 mm (1.44 in)
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