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Maintainance
MAINTAINING YOUR CRAWLER
Your model requires timely maintenance in order to stay in top running condition.
The following procedures should be taken very seriously. Inspect the vehicle for
obvious damage or wear. Look for:
1. Cracked, bent, or damaged parts.
2. Check the wheels and steering for binding.
3. Check the operation of the shock absorbers.
4. Check the wiring for any frayed wires or loose connections.
5. Check the mounting of the receiver and servo(s) and electronic speed control.
6. Check the tightness of the wheel nuts with a wrench.
7. Check the operation of the radio system, especially the condition of the batteries.
8. Check for any loose screws in the chassis structure or suspension.
9. Inspect the gears for wear, broken teeth, or debris lodged between the teeth.
10. Check the tightness of the slipper clutch.
Other periodic maintenance:
•
Chassis:
Keep the chassis clean of accumulated dirt and grime.
Periodically inspect the chassis for damage.
•
Motor:
Every 10-15 runs, remove, clean, and lubricate the motor. Use a product such
as electric motor cleaning spray to flush dirt out of the motor. After cleaning, lubricate
the bushings at each end of the motor with a drop of light-weight electric motor oil.
•
Shocks:
Keep the oil level in the shocks full. Use only 100% pure silicone shock oil to
prolong the life of the seals. If you are experiencing leakage around the top of the shock,
inspect the o-ring in the top cap for signs of damage or distortion from overtightening.
•
Suspension:
Periodically inspect the model for signs of damage, such as bent rod ends,
bent linkage rods, bent shock shafts, loose screws, or any signs of stress or bending.
Replace components as needed.
•
Driveline:
Inspect the driveline for signs of wear such as worn, dirty or corroded
center drive shafts, dirty constant-velocity driveshaft joints (center and front), and any
unusual noise or binding. Do not allow dirt and grime to collect in the drive cups.
After cleaning, lubricate the pins and cross pins with a drop of light-weight machine oil.
DO NOT use too much oil to avoid build-up of dust and dirt. Remove the gear cover.
Inspect the spur gear for wear and check the tightness of the set screw in the pinion
gear. Tighten, clean, or replace components as needed.
Storage
When you are through running the model for the day, blow it off with compressed air
or use a soft bristled paint brush to dust-off the vehicle. Always disconnect and remove
the batteries from the model whenever the model is stored. If the model will be stored
for a long time, then also remove the batteries from the transmitter.
