TM 5-3810-289-12
(2) Operating pedals. Refer to paragraph
2-5a (2).
(3) Crowd clutch linkage.
Refer to
paragraph 2-3b (5).
(4) Forward drum brakeband. Refer to
paragraph 2-3b (6).
(5) Backhoe boom installation.
(a) Build cribbing to support backhoe
boom at correct height (fig. 2-15).
(b) Propel machine forward until boom
feet enter lugs on revolving frame. Use jack to raise or
lower boom until aligned.
(c) Install boom foot pins and locking
bolts.
(6) Auxiliary A-frame installation (fig 2-16).
(a) Place auxiliary A-frame in lugs on
revolving frame.
(b) Install pins and locking bolts.
(7) Auxiliary A-frame suspension cable reeving
(a) Refer to table 4-1 for correct cable
length.
(b) Lead cable over right auxiliary A frame
sheave.
(c) Lead cable around A-frame yoke sheave
and under left auxiliary A-frame sheave.
(d) Lead cable over left A-frame sheave and
attach to boom hoist drum.
(e) Attach other end to anchor on A-frame.
(8) Roller and spacer assembly arrange mert.
(a) Model 22BM craneshovel roller and
spacer assembly is shown in figure 2-17.
Figure 2-10. Dragline fairlead, removal and installation.
(b) Spacers and shaft dimensions are
shown in figure 2-18.
2. Lead cable over right boom point
(9) Backhoe cable reeving (fig. 2-16).
sheave.
(a) Hoist cable.
3.
Reeve cable through clamshell
1. Refer to table 4-3 for correct cable
sheave and anchor.
length.
4. Attach other end to front drum.
2. Lead cable over right center A-
(d) Tagline cable.
frame sheave.
1. Lead cable from tagline unit over
3. Lead cable under and around dipper
sheave to bucket.
handle sheave over the left center A-frame sheave and
2. Anchor end to clamshell bucket,
attach to hoist drum.
(10) Tagline unit adjustment (fig. 2-13)
4. Attach other end to anchor on
Turn cable wheel counterclockwise to wind tag line
dipper handle.
spring.
b. Removal. Removal procedure is reverse of
installation.
2-7.
Backhoe Front End Conversion
a. Installation.
2-3b (3).
2-10
