Volvo Penta TAMD73P - Page 112

110
Reverse gear
TAMD63L-A, TAMD71B TAMD73P-A,
TAMD63P-A TAMD74C-A,
TAMD74L-A,
TAMD74P-A
MPM
Type designation .................................................. IRM 220A-1 IRM 301 A-2 –
Gear ratios ............................................................ 1.53:1; 1.75:1; 2.04:1 1.516:1; 2.006:1 –
Angle (output shaft)............................................... 10° 10
o
–
Oil capacity, approx. ............................................. 4 liters (1.05 US gals) 7.5 liters (2.0 US gals) –
Oil quality (as per API system) ............................ CC, CD, CE CC, CD, CE –
Viscosity .............................................................. SAE30* SAE30* –
alternative for hot countries................... SAE40* SAE40* –
Operating oil pressure ........................................... 2.0–2.2 MPa, 2.1–2.3 MPa, –
(20.4–22.4 kp/cm
2
= (21.4–23.5 kp/cm
2
=
290–319 psi) 305–334 psi)
Approx. weight ...................................................... 53 kg (117 lbs) 155 kg (342 lbs) –
*Note! Only single grade lubricating oil (only one
viscosity number) may be used in the reverse gears.
Type designation .................................................. IRM 220PL-E IRM 280A2-E*
Gear ratios ............................................................ 1.40:1 – 1.48:1; 1.77:1;
2.00:1
Angle (output shaft)............................................... 0° – 7°
Oil capacity, approx. ............................................. 5.3 liters, – 4.8 liters,
(1.4 US gals) (1.27 US gals)
Oil quality (as per API system) ............................ CC, CD, CE – CC, CD, CE
Viscosity .............................................................. SAE30** – SAE30**
alternative for hot countries................... SAE40** SAE40**
Operating oil pressure ........................................... 2.5 MPa, – 2.5 MPa,
(25.5 kp/cm
2
= (25.5 kp/cm
2
=
362 psi) 362 psi)
Approx. weight ...................................................... 70 kg (154 lbs) – 82 kg (181 lbs)
* For TAMD74 engines.
** Note! Only single grade lubricating oil (only one
viscosity number) may be used in the reverse gears.
Type designation .................................................. IRM 220V-LD – IRM 301A-EB
Gear ratios ............................................................ 1.53:1; 1.88:1 – 1.516:1; 2.005:1
Angle (output shaft)............................................... 12° – 10°
Oil capacity, approx. ............................................. 5.5 liters, – 7.5 liters,
(1.45 US gals) (2.0 US gals)
Oil quality (as per API system) ............................ CC, CD, CE – CC, CD, CE
Viscosity .............................................................. SAE30* – SAE30*
alternative for hot countries................... SAE40* – SAE40*
Operating oil pressure ........................................... 2.3–2.4 MPa, – 2.1–2.3 MPa,
(23.4–24.5 kp/cm
2
= (21.4–23.5 kp/cm
2
=
334–348 psi) 305–334 psi)
Approx. weight ...................................................... 86 kg (190 lbs) – 155 kg (342 lbs)
*Note! Only single grade lubricating oil (only one
viscosity number) may be used in the reverse gears.
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