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
Belt Idlers – Poly-V & Right & Left Timing Belt Idlers
NOTE: This instruction applies to all three belt idlers.
Tools Required
9/16" socket/deep and ratchet 9/16" wrench
1. Remove covers. (See Cover Removal instruction.) Replace covers when
steps are completed.
For Poly-V Belt Idler:
2. Remove poly-v belt. See Poly-V
Belt instructions.
No photo.
NOTE: Units with S/N > 428327 do not have a
poly-v belt idler.
NOTE: The idler pulley used for units with
serial numbers 424793 - 428326 does not
have flanges and is installed without washers.
3. Remove and replace idler. Install
washer(s) on the side they were on.
For Left Timing Belt Idler:
2. For S/N < 428173, unhook left
timing belt spring.
See Timing Belt
Springs instructions.
For S/N > 428174, unhook belt idler
spring.
See Flat Belt & Belt Idler
Spring instructions.
3. Remove and replace idler. Install
all 8 washers on inside of frame.
42013 Belt Idlers 5-1-05
24
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