Mercury 15 EFI FourStroke, Service Manual

Page: 93 / 406

Lubricant, Sealant, Adhesives
Tube Ref No. Description Where Used Part No.
80
SAE® Engine Oil 30W
Starter end cap bushing
Armature shaft
Starter armature shaft, and helix
Obtain Locally
Special Tools
DMT 2004 Digital Multimeter 91‑892647A01
A C O M m A V H z
mV
V
H z TEMP
m A
A
IG
IP OFF
H z
TEMP
4516
Measures RPM on spark ignition (SI) engines, ohms, amperes, AC and DC
voltages; records maximums and minimums simultaneously, and accurately
reads in high RFI environments.
Charging and Starting Specifications
Parameter Specification
Alternator type Single phase
Alternator charge coil resistance 0.17–0.25 Ω
Alternator output at 900 RPM 4.6 A
Alternator output at 5000 RPM 11.5 A
Starter
Type Bendix®
Output 0.6 kW at 12 V
Brush length 14.0 mm (0.551 in.)
Brush length (service limit) 11.0 mm (0.433 in.)
Commutator undercut 0.95–1.05 mm (0.037–0.041 in.)
Commutator diameter 28.3 mm (1.114 in.)
Commutator diameter (service limit) 27.8 mm (1.095 in.)
Fuse capacity
Voltage regulator output 20 A
Starting control circuit 15 A
Fuse type Mini ATC
Battery requirements (minimum)
Above 0 °C (32 °F) 465 MCA, 350 CCA
At or below 0 °C (32 °F) 800 MCA, 650 CCA
Voltage control Shunt/ground voltage regulator
General Troubleshooting
For general troubleshooting information, including connecting and using the CDS G3 diagnostic tool, refer to
Section 1E
‑
General Troubleshooting
.
Charging and Starting Systems
Page 2B-2 © 2018 Mercury Marine 90-8M0125265 eng NOVEMBER 2017