Nustep TRS 4000, Service Manual

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TRS 4000
support@nustep.com - (800) 322-4434 - (734) 769-3939 x 5
support@nustep.com - (800) 322-4434
Timing Belt (R / L)
NOTE: We recommend replacing both belts at the same time. The right side belt is an 8M20x944
mm long while the left is an 8M20x1040 mm long. Do right belt first, then left to avoid mistakes.
Tools Required
Phillips screwdriver (long) ½” socket and ratchet
Flat head screwdriver (long) 7/16" socket, ratchet, extension & wrench
2. Remove step through support.
3. For S/N < 428173, unhook timing
belt springs.
See Timing Belt Springs instructions.
For S/N > 428174, unhook belt idler
spring.
See Flat Belt & Belt Idler Spring in-
structions.
4. Remove right nut and bolt using
wrench and Phillips screwdriver. 5. Pry up bottom edge of clamp
about ½” up to loosen belt.
Clamp secures belt to pivot disk –
4 teeth of belt are in contact. Do not bend clamp up too far, just
enough to loosen belt.
42101 Timing Belt 5-1-05
42
To avoid injury, or damage to the
product, use caution when removing or
installing. Hold arm weldment when
unhooking springs to prevent weldment
from falling forward.
!
CAUTION
1. Remove covers. See Cover
Removal instructions.