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Table of contents:

Pictorial overview______________________________________________________________________ 2
Basic overview_________________________________________________________________________ 3
Getting started ________________________________________________________________________
Initial battery power up__________________________________________1,2,3____________________ 5,6
Understanding the main dash board________________________________4,5,6___________________
Clearing trip odometer___________________________________________5A_____________________
Starting out____________________________________________________7_______________________ 9
Brakes________________________________________________________8_______________________
3 Position Power Switch__________________________________________9_______________________ 9,10
Hand Throttle__________________________________________________10______________________
Secondary dash board screens_____________________________________11______________________ 10,13
Shut down_____________________________________________________12______________________ 14
Battery________________________________________________________13______________________ 14,15,16
Chain Tension___________________________________________________14______________________ 16, 17
Speedometer Pickup sensor________________________________________15______________________ 17
For further technical assistance please direct questions to:
Technical business hours:
Coaster E-assist Motor
Cargo Users Guide
Version 1.1
Section:
fab@coastercycles.com
Monday - Thursday 8:00-4:00 Mountain time zone
1
Page:
4,5
5-8
7
9
10

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Summary of Contents for Coaster E-ASSIST

  • Page 1: Table Of Contents

    Coaster E-assist Motor Cargo Users Guide Version 1.1 Table of contents: Section: Page: Pictorial overview______________________________________________________________________ 2 Basic overview_________________________________________________________________________ 3 Getting started ________________________________________________________________________ Initial battery power up__________________________________________1,2,3____________________ 5,6 Understanding the main dash board________________________________4,5,6___________________ Clearing trip odometer___________________________________________5A_____________________ Starting out____________________________________________________7_______________________ 9 Brakes________________________________________________________8_______________________ 3 Position Power Switch__________________________________________9_______________________ 9,10...
  • Page 2: Pictorial Overview

    Cargo Bike Description: 1. ON/OFF power switch 2. Thumb throttle 3. System dashboard 4. 3 position power switch 5. Torque sensing bottom bracket 6. Motor controller 6A. Optional dual battery switch 7. 14ah. Battery 7A. Optional dual 14ah. battery 8. Differential sprocket 9.
  • Page 3: Basic Overview

    The Coaster E-assist motor system is designed for the operator who is moving passengers and heavy cargo. The system can be operated in an e-assist mode where the motor applies power in proportion to the amount of rider input, or it can be operated in a full throttle operation as well.
  • Page 4: Getting Started

    Getting started: 1. Make sure on/off switch, on the side of the battery box, is in the off position. Pull the rubber boot off the on/off power switch located on the side of the battery box. See photo 1A & 1B for location When the button is in the off position it will stick out 1/16”...
  • Page 5: Initial Battery Power Up

    2. Reinstall the battery. Match the 6 locking fingers on the bottom of the 48v down tube battery with the 6 locking notches on the battery base, then slide backwards 1” to dock with the base. Rotate the key 1/2 turn clockwise to lock.
  • Page 6 B. 52.8 V: This shows the battery voltage remaining in the battery. When fully charged this will range from 52V to 54V on a 48v battery. The voltage will drop gradually as the bike is operated, but it should never drop below 36.4v.
  • Page 7: Clearing Trip Odometer

    E. O w : This is the wattage output, either in PAS (pedal assist) or full throttle mode. In PAS mode you must be generating at least 30 w of human output (pedaling) for the motor to start applying power. In unlimited mode the motor will add 4 times the wattage as the human output wattage.
  • Page 8 A. Press the right button once and advance to the second screen. This screen gives the trip mileage on the left and the total bike odometer on the right. From this screen you can hold the right button for several seconds to clear the trip odometer. See photo 5B B.
  • Page 9: Starting Out

    7. Starting out: Once you begin to pedal you will notice the WATT portion of the screen increase in number. (see photo 7A) When you reach 30w the motor will gradually begin to add power. The harder you pedal the more power that the motor will add.
  • Page 10: Hand Throttle

    Next, you will want to experiment with the power switch located near your left thumb. (see photo 9) The power switch can be changed at any time, whether pedaling or not. The dashboard will only display the setting for a few seconds before returning to the main screen.
  • Page 11: Secondary Dashboard Screens

    11. Secondary dashboard screens: A. Clearing the trip odometer: Hold the right button down 4 seconds. The screen will blink and clear the trip odometer. See photo 11A & 11B Note: The main odometer can’t be reset. B. Entering diagnostics screens. Hold left button 4 seconds.
  • Page 12 E. SETUP THROT IN This screen is locked. See photo 11F F. SETUP THROT OUT This screen is locked. See photo 11G G. SETUP SPEED LIMS This screen is locked. See photo 11H H. SETUP POWER LIMS This screen is locked. See photo 11 I SETUP PAS SENSOR This screen is locked.
  • Page 13 (no pedal being applied) These numbers may vary a few points so don’t worry if they don’t match exactly. Photo 11L shows pedal pressure being applied. These numbers will vary depending on how much pedal pressure is applied. It shouldn’t go much over 3.90v or over 59.0Nm with a good amount of pedal pressure.
  • Page 14: Shut Down

    Follow the battery removal steps listed in section #1. See photo 1D. Only use the 2 amp charger supplied with your Coaster Bike. Other chargers may or may not be fully compatible with the 14a battery and may cause problems or shorten the life of the battery.
  • Page 15 A. Insert the DC plug into the battery before plugging the 110v AC plug into an outlet. See photo 12A B. Plug the 110v AC plug into a 110v outlet. There is an LED light on the top side of the charger that indicates what state of charge the battery is in.
  • Page 16: Chain Tension

    Simply unscrew the cap, pull the fuse free from the cap and replace with a like fuse. Fuses can be purchased from Coaster Cycles or another suitable fuse supplier. Be sure the new fuse matches the information printed on the side of the original fuse.
  • Page 17: Speedometer Pickup Sensor

    Align the inside edge of the free wheel sprocket with the straight edge. Using a 7/16” end wrench, lightly tighten all 4 motor alignment nuts, then recheck alignment. Torque the 1/4” nuts to 8.5 Nm or 75 in lb. D. Lube the chain according to the Coaster bike manual that was supplied with the bike. Note: A new chain will stretch substantially during the first week of operation which is normal.

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