Nexus 21 PF-0 Water Pump User Manual


 
4 Maintenance and inspection schedule
If the boat does not accumulate the hours indicated below within 3 months, the frequency
is every 3:rd month.
Warning !
Failure to rectify any faulty conditions discovered as a result of the inspection could cause
sudden loss of Autopilot control, with consequential danger. It is recommended that all
items referenced in the following table be inspected before commencing any cruise.
Type Equipment: Check for: Remedy: Inspection
Frequency:
Hydraulic Oil reservoir level Correct Fill 200 hrs
Oil condition Discoloration
Contamination
Flush system and
replace the oil
1000 hrs
1000 hrs
Hydraulic hoses Damage
Leaks & Corrosion
Replace 1000 hrs
Hydraulic fittings Damage
Leaks & Loosening
Replace
Tighten
500 hrs
Piston rod seals
on pumpset
Leaking Replace 1000 hrs
Mechanical Linear drive Corrosion Replace or Repair 2000 hrs
Tiller arm Corrosion Replace 2000 hrs
Tiller bolts Corrosion
Loosening
Replace
Tighten
2000 hrs
500 hrs
Rod end bolt
on linear drive
Corrosion
Loosening
Replace
Tighten
2000 hrs
500 hrs
Trunnion bolts
on linear drive
Corrosion
Loosening
Replace
Tighten
2000 hrs
500 hrs
5 Specifications
Type of Pumpset: Reversible axial piston pump, 5-cylinder
Dimensions: Length 230 x width 105 x height 100 mm (91 x 41 x 40”)
Weight PF-0,3 (without oil): 3 kg (6.60 lb)
Weight PF-0,3S (without oil): 3,3 kg (7.27 lb)
Enclosure: Splash proof
Temperature range: -5° to +50° C (+40° to 122° F)
Power supply: Both Pumpsets available in 12 or 24 V DC
Peak pressure: 70 bar (1000PSI)
Ram capacity min - max: 100 - 400 cc (6 - 24 in3) (no load)
Peak flow rate: 1150 cc/min (70 in3/min) (no load)
Average power consumption: 2 - 4 A ca 36 Watts (at 12V)
Piping pressure: 1000 PSI (70bar)
Piping size: Min. 8 mm (0.32”) inner diameter
Port dimensions: ¼" NPT
Hydraulic oil viscosity: ISO 20
Warranty period: 2 years, see separate conditions
CE approval: The product conforms to the EMC requirements for immunity and emission
according to EN 5008-1 and EN 55022
INSTALLATION