MAGNATRAC RT1150 Operator / Technical Manual page 53

Step 1: From "outside" the Crawler's body, loosen
(but do not remove) the five nuts on each Front
Axle Plate. Do the same for both sides of the trac-
tor. See below.
Front of Machine
Front Idler
Step 2: Loosen the 2 bolts that connect the "cen-
ter idler frame" to the "track expander." Do the
same to both sides of the tractor. (If installed on
your machine.) See below.
2 Bolts
Center Idler Frame
Step 3: Using a cordless impact driver or ratchet
with 3/4" socket and 3/4" wrench, loosen and re-
move the "Inner & Outer Jamb" nuts on both
sides of the machine. (A total of 4). See the pic-
ture below & the top of the next column.
"Outer" Adjustment Bolt
Front
Large
Axle
Washer
5 Nuts
Front Axle
Plate
Track
Expander
"Outer Jamb" Nut
"Outer"
Nut
Small
Washer
"Inner Welded" Nut
Bolt Adjustment
Plate
"Inner" Adjustment Bolt
Step 4: Using a cordless impact driver or ratchet
with 3/4" socket and 3/4" wrench, now tighten the
"Inner Adjustment Bolt" on both sides of the
machine, approx. turning the bolt 5 times. See
above. (Do both Inner bolts).
Step 5: Now work back to the outside of the ma-
chine. Using a cordless impact driver or ratchet
with 3/4" socket and 3/4" wrench, tighten "Outer
Adjustment Bolt" on both sides of the machine
approx. turning the bolt 5 times. See picture,
below. (Do both outer bolts).
"Outer" Adjustment Bolt
Front
Large
Axle
Washer
Step 6: Keep working back and forth until both
tracks are as tight. "Upper Strand" should be
straight, and there should be NO GAP between
the "Front Idler" and the Rubber Tracks.
Straight
53
"Inner Jamb" Nut
"Outer Jamb" Nut
"Outer"
Nut
Small
Washer
No Gap