5-37
MAINTENANCE
EVERY 50 HOURS
• If the fluid level cannot be checked by fluid
level lines:
Remove the caps (2) and look into the
fluid filler holes to check the fluid level. If
the fluid is below the sleeve (3), be sure to
add distilled water up to the bottom edge
of the sleeve (3).
Proper level (A)
If the fluid reaches up to the bottom edge
of the sleeve (3), the surface tension
causes the fluid to swell and the plate
appears as if it is distorted.
Level too low (B)
If fluid does not reach up to the bottom
edge of the sleeve (3), the plate looks
laminar, not distorted.
4. Check the battery terminal for looseness,
dirt and corrosion.
5. Check the exhaust holes (4) for dirt.
6. Check the battery voltage. Confirm it is
24 V or more.
Refer to “Data display” on page 2-29.
Replenishing
When adding distilled water, do so before
starting operations in order to prevent
freezing.
1. Remove the caps (2), and add distilled
water until the upper level (H).
2. Check that the indicator (1) turns blue.
3. Tighten the caps (2) securely.
Note: For the replacement battery, a semi-
sealed type is recommended.
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