
5
XB4 2WD TECH TIPS
DRIVE SHAFT PINS SERVICING
TIP
To enjoy the longest possible lifespan of the drive shafts and diff outdrives, it is extremely important to properly service the drive shaft pins.
Inspect the pins after every 3 hours of runtime. If the pins show any wear, replace them with new pins.
For easy and comfortable drive pin replacements use
#106000 HUDY Drive Pin Replacement Tool.
To replace the worn pins use only the
premium HUDY drive pins #106051.
GRAPHITE PARTS PROTECTION
TIP
Follow this tech tip to protect the graphite parts.
Fine sandpaper
Use fine sandpaper to
sand smooth the edges of
all graphite parts.
Apply CA glue to all edges of
the graphite parts.
Protect all XB4 2WD
Graphite Parts:
• Front shock tower
• Rear shock tower
Do not use drive shafts when
the pins are worn.
Press out the worn pins.
Press in new pins and
regularly inspect for wear.
At the beginning of each section is an exploded view of the parts to be assembled. There is also a list of all the
parts and part numbers that are related to the assembly of that section.
The part descriptions are color-coded to make it easier for you to identify the source of a part. Here are what
the different colors mean:
STYLE A - indicates parts that are included in the bag marked for the section.
STYLE B - indicates parts that are included in the box.
STYLE C - indicates parts that are already assembled from previous steps.
COLOR INDICATIONS
We suggest that you first check gear mesh as below. If there is too much or too little diff side play, this may create non-optimal gear mesh between the diff gear and the pinion drive gear. This is easily resolved by
inserting 1 or 2 of the included thin shims behind a diff outdrive ball-bearing, depending on how much play there is.
FRONT & REAR DIFF GEAR MESH ADJUSTMENT
THE LOCATION OF THE SHIM(S) DEPENDS ON WHETHER YOU ARE TRYING TO CLOSE OR OPEN THE GAP:
INCLUDED SHIM
TO CLOSE A WIDE GAP
TO OPEN A NARROW GAP
TIP
insert shim(s) here
insert shim(s) here
To
close
a wide gap:
add 1 or 2 shims against diff spur gear
To
open
a narrow gap:
add 1 or 2 shims on the other side of the diff, away from
spur gear
962100
S 10x12x0.1
#962100 Washer S 10x12x0.1
OPEN A NARROW GAP
CLOSE A WIDE GAP
Содержание XB4 2WD
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