26
TK 55676-19-IM-EN
APU Installation
Standard Installation Method – Mounting Claws
IIm
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po
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ntt:: See “TriPac Evolution Installation Standards” in Section 5 of the Thermo King TriPac Installation Standards
Guide (TK 56498). THESE STANDARDS MUST BE FOLLOWED!
Special Tools Required
Modified Floor Jack or Motorcycle/ATV Lift
1/2” Drive Torque Wrench
1. Remove top cover of TriPac APU to access and remove mounting hardware securing APU to shipping crate.
2. It is recommended that a modified floor jack or motorcycle/ATV lift be used to install the APU. Protection such as
cardboard, shop rags, etc. should be used under the APU to prevent damage during installation.
3. Raise the APU into position. From outside the APU, insert the 3/4 in. mounting bolts and washers through mounting
claws and spacer blocks (slots go down) and into APU’s frame mounting holes.
4. From inside the APU, loosely install washers, nut retainers and locking nuts in that order. D
DO
O N
NO
OT
T O
OIIL
L T
TH
HE
E B
BO
OL
LT
T
T
TH
HR
RE
EA
AD
DS
S!!
IIm
mp
po
orrtta
an
ntt:: The following steps are critical and must be followed to ensure the safe installation of the APU to the
tractor’s frame.
5. With APU still supported by a lift:
a. Push APU and spacer blocks up tight to tractor frame.
b. Adjust height of the APU so top and bottom mounting claws and bolts are positioned flat on frame. Review
(Detail A)
.
c. Lightly tighten mounting hardware only enough to remove excess play.
6. Using a torque wrench, torque mounting bolts in four step increments starting with top bolts, then bottom bolts.
STEP 1: Torque top then bottom mounting bolts to 25 ft-lb. (33.9 N•m).
IIm
mp
po
orrtta
an
ntt:: STOP and verify all mounting claws and bolts remained flat on frame (Detail A). If they are not, loosen
bolts, adjust as necessary and retighten again to 25 ft-lb. (33.9 N•m).
STEP 2: After first step is successfully completed, torque top then bottom bolts to 50 ft-lb. (67.8 N•m).
STEP 3: Next, torque top and then bottom bolts to 100 ft-lb. (135.6 N•m).
STEP 4: Finally, recheck all bolts to confirm they are at 100 ft-lb. (135.6 N•m)
IIm
mp
po
orrtta
an
ntt:: D
DO
O N
NO
OT
T O
OV
VE
ER
R--T
TO
OR
RQ
QU
UE
E M
MO
OU
UN
NT
TIIN
NG
G B
BO
OL
LT
TS
S!!
7. Remove the support lift and visually inspect installation for the following:
•
Mounting claws and bolts are
cco
orrrre
eccttlly
y
installed. They should be square and flat on the frame ((D
De
etta
aiill A
A)).
•
If any mounting claws and bolts are
iim
mp
prro
op
pe
errlly
y
installed on the frame (i/e. they resemble Details B & C) - adjust
as necessary.
•
Damaged, deformed or cracked components during installation -
m
mu
usstt b
be
e rre
ep
plla
acce
ed
d iim
mm
me
ed
diia
atte
elly
y
.