Case 821F, 921F Wheel Loader Service Manual
$36.00
Manual Included:
- Service Manual: 2304 pages
Specifications:
- Brand: New Holland
- Model: Case 821F and 921F
- Type: Wheel Loader
- Manuals: Service Manual
- Publication Numbers: 47673352 (March 2014)
- Language: English
- Format: PDF
- Description
- Reviews (0)
Description
Table of Content (Service Manual)
- Content
- Introduction
- Engine
- Four Wheel Drive System
- Front Axle
- Rear Axle
- Hydrostatic Drive
- Brakes and Controls
- Hydraulic System
- Frames and Ballasting
- Steering
- Cab Climate control
- Electrical System
- Front Loader and Bucket
- Platform, Cab, Bodywork and Decals
- Special Tool Index
Manual Extract: Cab climate control – Air conditioning
Air Louvers
1. Make sure louvers and recirculation vents are fully open for most efficient air conditioning operation. Defrost louvers must be closed.
2. Check blower; blower must be running.
Air Conditioning
NOTICE: Use caution when feeling hoses. Hoses become very hot. Check temperature by slowly reaching for hose and touching briefly several times with finger tips, increasing the duration with each touch.
1. Feel the air conditioning hoses. The high pressure hoses (small line) must be warmer than the low pressure hose (large line).
2. If no temperature difference, the system is low on refrigerant, or compressor is not working correctly.
Duct Temperature
1. Put a thermometer in the air duct behind the seat and run the compressor for five minutes to make temperature stable.
2. Duct temperature must be below 25 °C (77 °F) if the system is operating at maximum efficiency.
3. If temperature is above 25 °C (77 °F), system is low on refrigerant, there is a restriction in the system, compressor is not working correctly, or air ducts are not sealed correctly.”
NOTE: Ambient temperature must be 27 – 43 °C (81 109 °F).
Identify the Tier Level of your Equipment (Read our Article on Tier Level )
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