MAINTENANCE
WB140-2N, WB150-2N 3-41
MAINTENANCE EVERY 500 HOURS OF OPERATION
Perform these operations together with those initiated every 50 HOURS and 250 HOURS.
CHANGING ENGINE OIL
When changing engine oil, also change the filter,(See “CHANGING
ENGINE OIL FILTER” on page 3-42).
Proceed as follows:
1. Open the engine hood.
2. Remove the oil pan drain plug (1). Collect used oil in a container of
sufficient capacity. (Use a 19 mm wrench).
3. While the oil flows out, remove filler cap (2), so that oil can flow
freely.
4. Change the engine oil filter.
• Change the oil with machine parked on level ground and raised loader arm with the safety lock
engaged.
• After machine has been operated, the engine oil is very hot and may cause burns; let the engine cool
down until it reaches a temperature of 40-45
°
C (104-113
°
F) before draining the oil.
• Oil that may be spilled during the change makes the ground slippery, therefore, use anti-slip shoes and
immediately remove any trace of oil from the floor.
• Oils, filters, coolant, and the battery are considered special waste and must be collected and disposed
of according to anti-pollution regulations in force.
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