TM 5-3895-356-14&P
INSTALLATION PROCEDURE
replace transmission grease being careful not to
I. PREPARATION OF TRUCK CHASSIS
contaminate grease Then operate P T.O for 5-10
minutes and check for leaks and noise Next, assemble
A.
Chassis Components to be Removed Prior to
hydraulic pump drive line to P.T 0. output shaft(Fig. 39)
Assembly of Distributor Components.
Secure PTO drive yoke to output shaft with drive yoke
Since asphalt distributors tend to be an integral part
set screw. Later, this drive line will be used for hydraulic
of the truck chassis, it is often necessary to remove non-
pump positioning.
essential chassis elements to facilitate mounting of
distributor components The components to be removed,
C. Hydraulic Pump Assembly and Mounting
left and right rear glad hands, tool box, and brackets, left
Attach upright supports to hydraulic pump with four
and right front tiedown brackets and rearmost
(4) 3/4 X 2 bolts as seen In Fig. 40.Next attach cable
crossmember are noted in Fig.38. Note, upon removal
supports to right hand pump support using two (2) 3/8 X
of chassis glad hands, plug air supply lines so as to
1 bolts Assemble pump drive yoke and drive line pulley
insure air for chassis brakes Before removing necessary
onto pump input shaft. Slip blower drive belt over pulley
bolts and rivets to slide out the rear most crossmember,
and allow to hang loose Lower pump and supports into
care should be taken to insure the electrical wiring
area where pump is to be mounted Attach P.T 0. drive
harness and glad hand air lines are not damaged Next
shaft, (Fig. 41 ) to pump input shaft with four (4) 3/8 X 1
remove necessary bolts and rivets to dismount the
bolts Locate pump so as to give straightest drive line
remaining previously noted items
configuration while still clearing chassis members With
upright supports held vertical (using a carpenters level)
B. Power Take-Off Installation
bring frame cross over support forward until it just
A six bolt single speed double gear power take off
touches the rear side of the upright supports Weld
(P T.O.) is supplied for mounting on the right side of the
uprights to cross over support Next weld upright gussets
main truck transmission (Note, this Is to be mounted on
in place as seen m Fig. 40. Install four (4) 1/2 X 12 tie
the main transmission not on the rearmost auxiliary)
down bolts and tighten securely. Finally install pump
Drain transmission grease into a clean dry container
prior to attempting P T.O installation Then remove
check, observe P.T 0. output shaft and pump input shaft
mounting boss cover plate, install mounting studs, and
for excessive skew angle (i.e. shafts are not parallel
attach P TO gear box (Fig. 76) Install ( 032") spacer and
when viewed from right side of chassis)
secure P TO to transmission case with top and bottom
nuts torqued to 30-35 lb/ft. Remove shifter cover and
D. Blower Mounting
check to insure P T.O gear backlash is .006" to 012" Add
Mount blower as seen in Fig.
42 to blower
or subtract P.T.O. gaskets as necessary to obtain
mounting frame with four (4) 3/8 X 1 1/2 bolts such that
desired backlash Usually one (1) gasket will be required
eye bolts can be used to tighten blower drive belt See
As a general rule, a .010" gasket will change backlash
Fig. 43 also. Slip blower drive clutch onto blower input
approximately 006" and a 020" gasket will change
shaft and tighten clutch set screw Next attach blower
backlash 012" Now operate P T O momentarily and
frame to blower mounting bracket with four (4) 1/2 X 1
check for noise If P T 0 whines, it may be mounted too
tight (too little backlash), add gaskets A clatter indicates
blower, frame and bracket up against chassis frame as
loosness (too much backlash), remove gaskets Add or
seen in Fig. 42, being careful to align blower drive pulley
subtract gaskets until proper backlash has been
with P T.O drive line pulley. Mark location of four (4)
determined and the P T.O operates quietly Note As
blower mounting bracket holes on truck chassis, remove
transmission and P T O have no lubrication at this time,
blower and drill four (4) 17/32 holes In chassis frame at
running should be for as short a time as possible
marked locations.
Assemble remaining mounting nuts and torque 30-35
lb/ft Reinstall shifter cover At this time,
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