Tweco PAK 44G - Manual (Page 18)

INSTALLATION PROCEDURES 12 Manual 0-2686
3. Remove the four bolts and hex nuts securing the skid
to the Base Assembly of the Power Supply.
4. The Pak 44G is ready to be placed in its proper loca-
tion. Lower the Power Supply back down to the floor.
If the Optional Running Gear is to be used then in-
stall per Section 3.05.
3.05 Installation Of Optional
Running Gear
This Sub-Section describes the installation of the Optional
Running Gear. If this option was ordered then proceed
with the following to install the Running Gear:
1. Disassemble the rear frame/cylinder rack assembly
by removing the four bolts that hold the axle so that
the axle/wheel assembly can be removed to gain ac-
cess to the bolt holes.
NOTE
There are two mounting positions for the rear frame.
The forward position should be used except on Pak
44G units that are fitted with a Lo-Amp Resistor
Assembly, in which case the rear mounting posi-
tion is required to clear the Resistor Assembly.
8 inches
(20.3 mm)
Base
Axle/Wheel
Assembly
3/8-16 x 1"
Bolt
3/8-16 x 1"
Bolt
A-01882
Figure 3-2 Rear Running Gear Installation
2. Mount the rear frame/cylinder rack assembly to the
bottom of the base using four 3/8"-16 x 1" long bolts
inserted from the bottom up. Install the lock washers
and nuts, then replace axle/wheel assembly.
3. Mount the front assembly using the remaining four 3/
8"-16 x 1" long bolts, lock washers and nuts.
4. Using the Lifting Eye Bolt on the Power Supply lower
the Power Supply onto the Running Gear. The Power
Supply and gas cylinders can now be transported us-
ing the running gear.
CAUTION
Do not lift the Pak 44G with the lifting eye when
gas cylinders are on the Running Gear.
A-02098
Pak 44G
Running Gear
Figure 3-3 Pak 44G Mounted on Running Gear
3.06 Input Power Connections
A. Electrical Connections
The power source must conform to local electric code and
the recommended circuit protection and wiring require-
ments shown in Appendix I.
B. Opening Power Supply Enclosure
WARNING
Disconnect primary power at the source before as-
sembling or disassembling power supply, torch
parts, or torch and leads assemblies.
To connect the unit, follow this step-by-step procedure:
1. Remove the top of the unit as follows:
a. Remove the screws holding the cover.
b. Remove the lifting eye.
c. Open the lead connection access door.
d. Lift off the cover of the unit.