PRM NEWAGE PRM125D, Руководство по ремонту

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6 - PRM125
SERVICE CLASSIFICATION DEFINITIONS
PLEASURE Limited to craft used exclusively for pleasure boating; operation at full engine throttle should not
exceed 5% of total time, with balance of usage at 90% of full throttle engine speed, or less. Maximum operation 500
hours per year. The selection of PRM125D according to this classification for any commercial boat is not approved by
PRM Newage Limited.
LIGHT COMMERCIAL PRM Newage Limited recommends that when considering the use of the PRM125D in
boats of whatever hull form used in light commercial applications, and in displacement and semi-displacement hull
boats for pleasure applications, these boats should be classed as light commercial duty and the Gearbox selected
accordingly. Maximum operation
– 2000 hours per year.
IMPORTANT NOTE: (1) It is essential for the engine, transmission model, reduction ratio and propeller
size to be correctly matched so that the engine can attain its rated speed appropriate to the relevant service
classification without labouring.
1. GENERAL DATA
1.1Specifications
Gear ratios
– ahead
2.04:1; 2.50:1; 3.06:1
Gear ratio
– astern
2.44:1
– common
POWER RATING
AHEAD RATIO
PLEASURE LIGHT COMMERCIAL
BHP kW BHP kW
2.00:1 1.75 1.31 0.95 0.71
2.47:1 1.39 1.04 0.95 0.71
3.06:1 1.15 0.86 0.80 0.60
Max. Input Power 70 52 48 36
NOTE:
These powers are expressed in BHP and kW per rev/min engine speed, and are measured at the engine
flywheel. Ratings have been established to ensure the long trouble-free life of the Gearbox which should not,
therefore be used at powers in excess of those shown.
Input speed:
Maximum operating speed 5000 rev/min.
Input rotation:
For engines of left-hand (anti-clockwise) rotation as viewed looking on the flywheel from behind the engine.
Output rotation:
Right-hand (clockwise) in ahead direction.
IMPORTANT:
RIGHT HAND PROPELLER REQUIRED.
Approximate dry weight:
16 kg (35lb) excluding adaptor flange.
Oil capacity:
0.40 litres (0.7 pints).
Working oil temperature:
The normal operating temperature should be in the range 50°C to 95°C continuous.
Engine Mounting Adaptors:
Available in SAE4, SAE5 and Velvet Drive (Borg Warner).
Input Drive Couplings:
Flexible centre damper plate SAE 6.5” or SAE 7.5”.