Komatsu HB215LC-3, Operation & Maintenance Manual

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Use a feeler gauge for easy and accurate measurement.
3.
Loosen plate mounting bolts (2) (4 pieces) and loosen
plate (3).
The shim is a split type, so the work can be performed
without removing the bolts.
4.
Remove shim (4) corresponding to the amount of play "a".
For shim (4), 2 types of 1.0 mm and 0.5 mm are installed.
When play "a" is smaller than 1 shim, do not adjust it.
5.
Tighten bolts (2) (4 pieces).
If bolts (2) are too stiff to tighten, pull out pin stopper bolt
(5) for easier tightening.
(6) Arm
(7) Bucket
[Example] In the case of play of 3 mm, remove 1.0 mm (2
pieces) shims and 0.5 mm (1 piece) shim. Play becomes
0.5 mm.
METHOD FOR CHECKING WINDOW WASHER FLUID LEVEL, ADDING FLUID
1.
If air is in the window washer fluid, check the fluid level in
window washer tank (1).
2.
If the level is low, add window washer fluid for automobile.
Be careful not to let dirt or dust get in when adding the flu-
id.
Mixing proportion of pure window washer fluid and water
The mixing proportion differs according to the ambient temperature, so add the window washer fluid diluted
with water as follows.
Area, season Mixing proportion Freezing temperature
Normal Washer fluid 1/3: water 2/3 –10 °C
Winter in cold district Washer fluid 1/2: water 1/2 –20 °C
Winter in extremely cold district Pure washer fluid –30 °C
There are 2 types depending on the freezing temperature: –10 °C (general use) and –30 °C (cold district use),
select according to the area and season.
METHOD FOR CHECKING AND MAINTENANCE AIR CONDITIONER
Check, maintenance items
Some maintenance items of the air conditioner are to be inspected periodically and the others are to be inspect-
ed when required. Check and maintenance the air conditioner according to the following list to use it effectively.
Check and mainte-
nance items Content of check and mainte-
nance Guideline for maintenance interval
Refrigerant (gas) Amount Twice a year (spring, autumn)
MAINTENANCE MAINTENANCE PROCEDURE
4-33