22
5.4.3 Clutch Replacement & Timing
When following the instructions below, refer to the applicable drawing of the sampler. Reference the section
drawings of the sampler on pages 28 & 29, and the certified drawing(s).
A. Shutoff and lockout all power.
B. Remove the six 1/4-20UNC hex head screws attaching the cover to the sampler drive housing.
C. Loosen the #10-24UNC set screws attaching the 112 tooth spur gear to the reducer shaft and remove
it, to permit access to the clutch.
D. Loosen the 1/4-20UNC clutch set screw. Remove the clutch and 40 tooth spur gear from the reducer
shaft.
E. Remove the 40 tooth spur gear from the clutch and install it on the new clutch.
F. Make sure key is in place on reducer shaft and re-install the clutch so that the clutch and limit switch
cam are positioned as shown in figure 5-1.
G. Turn the motor fan shaft by hand in the direction labeled on the motor and in figure 1-1. The clutch will
rotate until the stop cog engages on the clutch actuator and stops further rotation of the auger tube. The
limit switch cam should be the position as shown in figure 5-1.
H. Re-time the gears if needed. Once the clutch and limit switch cam are in the correct position tighten
the clutch set screw.
I. Re-install the 112 tooth spur gear and tighten the set screws. The auger drive gears do not require any
timing.
J. Make sure the thrust washers are in place on the auger shaft. Re-install the cover and gasket to the
sampler drive housing.
K. Re-install the cover fasteners and tighten.
Содержание GSS-U
Страница 5: ...4 FIGURE 1 1 GSS U SAMPLER SAFETY LABEL LOCATIONS ...
Страница 27: ...26 This page intentionally left blank ...
Страница 28: ...27 REPLACE THIS PAGE WITH DRAWING 525255 ...
Страница 29: ...28 REPLACE THIS PAGE WITH DRAWING 525256 ...