OPERATING INSTRUCTIONS RH 40 E Inspection and servicing Bypass valves (cooling circuit)
Cleaning the valve " Remove cover (7, Fig. 3-56:).
Read and observe the "Inspection and servicing – Safety instructions" chapter.
" Unscrew screws (33, Fig. 3-57:) and withdraw valve carrier (31) together with valve (32). " Clean valve (32) in white spirit or paraffin oil and replace, if required.
Shut off the engine.
" Insert valve (32) into valve carrier (31).
Risk of scalding caused by hot hydraulic oil.
" Fasten valve carrier (31) with screws (33) in the hydraulic oil reservoir. Refit cover (7, Fig. 8) with a new sealing ring.
The hydraulic oil reservoir itself may also be hot. Avoid skin contact. Skin contact with hydraulic oil may cause skin injury. Wear protective gloves and firm working clothing. Collect escaping hydraulic oil and discard without polluting the environment.
Fig. 3-57:
Changing the valve Fig. 3-56:
" Remove bypass valve as described under "Cleaning". " Remove valve (32, Fig. 3-57:) and replace by a new one. " Fasten bypass valve (31) on the hydraulic oil reservoir. " Refit cover (7, Fig. 3-56:).
BA RH40E(3 664 930.00)-EN
3-61
