Kubota KX91-3S, KX101-3, KX121-3S, KX161-3S Excavator Manual

Kubota KX91-3S, KX101-3, KX121-3S, KX161-3S Excavator Manual

$29.50

Publication: 97899-61260
Format: PDF
Language: English
Kubota KX91-3S, KX101-3, KX121-3S, KX161-3S Excavator Workshop Manual – 206 Pages

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Kubota KX91-3S, KX101-3, KX121-3S, KX161-3S Excavator Manual

Kubota Excavator Model KX91-3S, KX101-3, KX121-3S, KX161-3S
Publication: 97899-61260
Format: PDF
Language: English
Kubota KX91-3S, KX101-3, KX121-3S, KX161-3S Excavator Workshop Manual – 206 Pages

Table of Content of the Workshop Service Manual

I General
II Machine body
• Mechanism Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .II-M-1
• Service Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .II-S-1
III Engine
• Mechanism Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .III-M-1
• Service Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .III-S-1
IV Hydraulic System
• Mechanism Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .IV-M-1
• Service Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .IV-S-1
V. ELECTRICAL SYSTEM
• Mechanism Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V-M-1
• Service Section. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V-S-1

KX91-3S, KX101-3, KX121-3S, KX161-3S
Your KUBOTA dealer is always ready to help so that your excavator offers the best performance. After having carefully read this manual, you will realize that much of the routine maintenance can be done by yourself. Machines must be disassembled and assembled efficiently and safely. It is very important to thoroughly understand the construction and function of the machine, to make all appropriate preparations, and start operations according to the specified working procedures in this workshop service manual.

IMPORTANT INSPECTION ITEMS AFTER REASSEMBLING

a Operate the Kubota KX91-3S, KX101-3, KX121-3S, KX161-3S Excavator and check for Unusual Noise and Vibrations.
b Make Sure the Safety decals and Wire harness Clamps are in their Specified Positions.
c With the Machine Front in a Specified Posture, Check the Amount of Hydrauric Oil Checking the oil level (For further details, refer to the Excavator KX91-3S, KX101-3, KX121-3S, KX161-3S Operators Manual)
1) Park the machine on a level ground.
2) Make sure the hydraulic oil temperature is in the range of 10-30C (50-86F) and see if the oil level is within the specified zone of the oil level gauge.
3) Keep the machine front as shown as following posture.

Kubota KX91-3S, KX101-3, KX121-3S, KX161-3S Role of hose volume (1/4 x 350mm)

The hose volume control that is attached on the control valve serves as a sort of damper. At a start of operation in particular (to start traveling, for example), it is effective in avoiding a sudden surge pressure and preventing the machine from starting with a jerk. In other words, violent fluctuations of load pressure can be eased, which improves the operators control feeling. Below discussed is a theoretical explanation of the hose volume control behavior.

At very low temperatures, the throttling effect of the orifice in the system is greatly affected, usually causing delays in response. Lets suppose shifting the travel lever forward under low temperatures, for example. Possibly the machine may fail to respond quickly or it may take too much time to get started. In such cases, preferably remove the hose volume control for better damping effect, and install the plug attached on previous models. Keep in mind, however, that the higher the oil temperature rises, the quicker the reaction becomes.

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