![background image](http://html1.mh-extra.com/html/yuchai/yc135/yc135_operation-and-maintenance-manual_3663100078.webp)
78
NOTICE:
working hydraulic oil temperature is 50 ÷ 60 °C. If oil temperature is under
20 °C do not operate with the hydraulic accessories (boom, arm, bucket, etc.)
7.3.2. Instrument panel check
1. The bar gauge must be in centre of the scale.
2. Alternator lamp must be off.
3. Engine oil pressure lamp must be off.
7.3.3. Safety lock lever check
Put the safety lock lever in lock position then
check that moving levers or pedal no action will
result in any hydraulic parts neither the
machine can travel.
7.3.4. Noise and exhaust check
1. Put the safety lock lever in unlock position then pull up the bucket.
2. Operate slowly the bucket lever control and expand totally the cylinder.
Leave the bucket in this position for 5 minutes.
3. Check if exhaust has bad colour, or engine emit strange noise or vibrating.
Exhaust:
•
Colourless or light blue: normal (complete combustion);
•
Black: abnormal (incomplete combustion);
•
White: abnormal (oil drains through cylinders).
Unlock
Lock
Summary of Contents for YC135
Page 2: ......
Page 4: ...4...
Page 14: ...14...
Page 40: ...40...
Page 51: ...51 5 2 1 Transport blocked All dimensions are in mm they may change without notice...
Page 95: ...95...
Page 100: ...100...
Page 108: ...108...
Page 110: ...110...
Page 118: ...118...
Page 120: ...120...
Page 124: ...124...
Page 169: ...169 20 HYDRAULIC SCHEME...
Page 171: ...171 21 ELECTRICAL SCHEME...
Page 179: ...179 24 NOTICE...
Page 180: ...180...