Inspect the Main-Drive and Dryer Drive System. Refer to figure 2-3.
Check the chain. Check the main-drive chain for wear and tension.
(a) Be sure to align the motor sprocket with the main-drive sprocket if
adjustment is necessary.
(b) Lubricate the chain as necessary.
components for wear and replace as necessary.
(a) Replace sprockets if teeth are unduly sharp.
(b) Be sure worm gears are free from burrs.
Lubricate the bearings and gears as necessary.
(3) Check the dryer-drive belt. Check the belt for signs of wear. Adjust or
replace the belt as necessary.
(4) Check the pulley assembly. Examine the rubber sleeve on the upper
pulley assembly for signs of wear. Refer to figures 2-3 and 2-14.
(a) Be sure to secure the sleeve to the pulley.
(b) If the sleeve is not secure, cement it in place with adhesive, such
If the sleeve is stretched or worn, replace the pulley assembly.
(5) Check the bearings. Check the bearings in the upper and lower pulley
assemblies for signs of wear. If the pulley tilts, it indicates the need for bearing
j. Inspect the Plumbing Connections. Visually check all pump, valve, tubing,
and tank connections for any signs of leaks.
When removing or installing the spring-type clamps, be sure to use
special pliers, such as Corbin Hose-Clamp Pliers. (The use of safety
glasses is recommended.) Do not open the clamp more than necessary
to slip it off or over the tubing; otherwise, spring tension will be lost.