Maintenanceinformation - Crown C48-2+2 Owner's Manual And Service Manual

2) Check the break hub to see if there is blue moulage and peel; Is there obvious nick, special
abrasion? If the spline axle is damaged, attrited or erodent? If there is any problem referred
above please replace the brake hub.
3) Clean the brake power with brush.
4) Check whether the oil seal for leak and the thrust pad for loose, if there is leak please maintain it
refer to section axle.
5) Check whether the gasket is in good condition, if necessary please replace it.
6) Check the run condition of the mechanical brake adjuster.
Check the brake lever for damage and abrasion, then check the function of adjuster according to
the following steps:
⑴Pull the front-half brake shoe to the back of the cart
⑵Pull the brake lever.
⑶Observe the brake adjusting arm and please note the star wheel connected to the brake adjusting
arm should be apt to run. If the star wheel contacts the adjusting arm and run that indicates it is in
good condition; If there is abrasion please replace the brake assembly; If the star wheel contacts the
adjusting arm but can not run please replace the adjuster assembly.
7) Check the run of the moved clip
Move the brake lever to see if it is free and the adjuster may move to forward and backward freely
on the brake boss. If the moved clip is damaged please replace brake assembly.
8) Check the brake boss
Check the brake boss to see if the hole is attrited or other damage, especially important thing is to
check whether the brake boss contacts to brake shoe or brake reduction assembly. If there is any
problem refered above please replace the brake boss.
9) Measure the thickness of brake shoe
Measure the brake shoe at the most serious attrited position. The
thickness of any position should not less than 1.5mm, if it i
please replace the brake shoe. It is
advised to replace the brake adjuster
and brake spring when installing the
new brake shoe.
10) Check the brake spring to ensure
there is no any damage and
installed correctly.
11) Repeat the above steps to the
other side.
12) Check and adjust the free stroke
of brake
Adjusting the brake must be given
after maintaining the brake, please
refer to section "maintenance for
free stroke of brake".
MAINTENANCE INFORMATION
Owner's Manual and Service Guide
s ≥1.5mm
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