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TM 5-2420-222-34
15-3.
BACKHOE SWING FRAME MAINTENANCE (Con’t).
NOTE
Some swing frames have linkage pins retained by cotter pins; some have linkage
pins retained by retaining rings. For swing frames equipped with cotter pins,
perform step 8 and skip step 9. For swing frames equipped with retaining rings,
skip step 8 and perform step 9.
8.
Remove four cotter pins (16) and washers (17) from two pins (18). Discard cotter pins.
9.
Remove four retaining rings (15) from two pins (20).
10.
Drive two pins (18 or 20) from swing frame (6) and swing cylinders (21).
11.
Using lifting device, lower swing frame (6) away from main frame (2) and set on wood blocks. Remove lifting
device from swing frame.
12.
Remove four spaces or washers (19) from swing frame (6) or main frame (2).
TA701642
15-13
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