Ofna Racing nitro OB 4 User Manual

1:10 SCALE NITRO POWERED TOURING CAR
OFNA RACING
22692 GRANITE WAY, STE. B
LAGUNA HILLS, CA. 92653
Tel: (949) 586-2910
RTR INSTRUCTION MANUAL
SAFETY PRECAUTIONS
!
This radio control models is not a toy!
- First builders should seek advice from people having building experience in order
to assemble the model correctly and to produce it's performance to full extent.
- Assemble this kit only in places out of children's reach!
- Take enough safety precautions prior to operating this model. You are responsible
for this models assembly and safe operation!
- Always keep this instruction manual ready at hand for quick reference, even after
completing the assembly.
*SPECIFICATION ARE SUBJECT TO CHANGE WITHOUT NOTICE.

Ofna Racing nitro OB 4 Specifications

General

Brand	Ofna Racing
Model	nitro OB 4
Category	Motorized Toy Car
Language	English

Summary

SAFETY PRECAUTIONS

MANUFACTURER INFORMATION

Manufacturer and contact details for OFNA Racing.

REQUIRED FOR OPERATION

NECESSARY COMPONENTS & RADIO SETUP

List of items needed and radio control unit neutral position setup.

OPERATING GUIDELINES & SAFETY

RUNNING LOCATIONS & FUEL SAFETY

Guidelines for safe running areas and glow fuel handling.

ENGINE STARTUP & GENERAL PRECAUTIONS

Initial engine startup, hot parts, and rotating parts warnings.

SHOCK ASSEMBLY

FILLING THE SHOCK OIL

Procedure for filling shock absorbers with oil and removing air.

DIFFERENTIAL ASSEMBLY

FRONT DIFFERENTIAL ASSEMBLY

Step-by-step instructions for assembling the front gear differential.

REAR DIFFERENTIAL ASSEMBLY

CHECKING DIFFERENTIAL ASSEMBLY

How to test the effectiveness of the assembled gear differential.

FRONT SUSPENSION ASSEMBLY

FRONT KNUCKLE ARMS & CVA SHAFT

Assembling front knuckle arms and the CVA universal shaft.

REAR SUSPENSION ASSEMBLY

REAR HUBS INTO REAR ARMS

Attaching rear hubs to the rear lower arms.

ENGINE AND DRIVETRAIN INSTALLATION

ENGINE MOUNTING & THROTTLE LINKAGE

Mounting the engine and connecting the throttle linkage.

WHEELS AND BODY POSTS

ASSEMBLY OF TIRES AND WHEELS

Procedure for assembling tires and wheels onto rims.

2 SPEED TRANSMISSION

SHIFT TIMING & GEAR RATIO ADJUSTMENT

Adjusting shift timing and selecting gear ratios for performance.

GENERAL R/C TIPS & MAINTENANCE

OPERATING PROCEDURES & SAFETY RULES

Guidelines for safe operation and general safety precautions.

SETTING GUIDE: SUSPENSION GEOMETRY

WIDTH, TOE, AND CAMBER ADJUSTMENTS

Adjusting front/rear width, toe angles, and camber angles.

SETTING GUIDE: SHOCKS & GEARING

SHOCK ANGLE & OIL HARDNESS

Tuning shock angle and selecting appropriate shock oil hardness.

ENGINE BREAK-IN AND TUNING

INITIAL ENGINE BREAK-IN PROCEDURE

Instructions for the initial break-in of the engine.

OPERATING YOUR MODEL SAFELY

PRE-OPERATION CHECKS & STARTUP

Checks before running and engine starting procedures.

PAINTING TIPS

BODY PAINTING PROCEDURES

Step-by-step guide to painting the RC car body.