MAINTENANCE
3-18 WB140-2N, WB150-2N
DELIVERY / RETURN HYDRAULIC SYSTEM
• For serial numbers and quantity of components that periodically need replacing, consult the replacement parts manual sec-
tion regarding the components connected with safety and components that must be periodically replaced.
• When replacing hoses, always change o-rings, gaskets, and analogous components.
No. Components related to safety that require periodic replacing Qty Replacement interval
1 Hydraulic hose (Hydraulic pump - iron tube) 1
Every 2 years or 4000 hours,
whichever occurs first
2 Hydraulic hose (Iron tube - backhoe distributor) 1
3 Hydraulic hose (Iron tube - loader distributor) 1
4 Hydraulic hose (Hydraulic pump - backhoe distributor) 1
5 Hydraulic hose (Loader distributor - backhoe distributor) 1
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