U20-3, U25-3 WSM General
I-5
C.IMPORTANT SAFETY PROCESS AND CRITICAL
FUNCTIONAL PROCESS
The following instructions are related to essential adhesives, important safety process and critical
functional process .Pay special attention in servicing these process. (Pay also close attention in
reconnecting the electrical cables.)
a. Essential Adhesives
Type of screw adhesive
• Unless otherwise specified, use Three-Bond 1324 adhesive (medium-duty type).
Keep the screw threads free of oil and water.
Type of instantaneous adhesive
• Use Three-Bond 1733 or Three-Bond 1741E adhesive.
Keep the bond areas free of oil and water.
b. Important Safety Process .
1. Reconnecting the fuel hose (clearance, hose routes, clamps, etc.)
2. Electrical cabling (engine, instrument panel, seat stand, etc.) (wiring routes, clamps and couplers)
c. Important Critical Functional Process .
1. Setting up the travel wheel motor (tightening torque)
2. Reassembling the rotary joints (joint direction and shaft set-up)
3. Installing the swivel base bearing and the swivel motor (tightening torque)
4. Fitting the pump couplings (tightening torque)
D.IMPORTANT INSPECTION ITEMS AFTER
REASSEMBLING
a Operate the Machine and check for Unusual Noise and Vibrations.
b Make Sure the Safety decals and Wireharness 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 Operator’s Manual of each model.)
(1) Park the machine on a level ground.
(2) Make sure the hydrauric oil temperature is in the range of 10-30°C (50-86°F) 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.
Posture: Extend the rods of the arm and bucket cylinders nearly
half. Place the bucket on the ground, the offset swing at
the center, and the dozer also on the ground.
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