TM 9-3445-465-14&P
The drain valve in the bottom of the surge tank (there is one for the counterbalance surge tank and one for the air
clutch surge tank on Series 0600, 0800 and 1000 shear only) should be opened occasionally to drain accumulated
RAM SLIDE BEARING ADJUSTMENT
Before starting the shear, the ram slide bearing clearance should be checked and adjusted, if necessary. These
clearances should also be checked periodically.
Two different slide bearing arrangements are used
on Shears.
Clearances are measured and adjusted with the slide at
the top of the stroke. Measurements are made at the top
of the slide bearings and also at the bottom. To obtain
the proper clearances the gibs are adjusted in or out.
On each side of the Shear on the slide guides,
there are two (2) hex head bolts with washers. These
Lock the gib in position. These bolts should be loosened
before adjusting gibs. (See Figure 6)
On each end of the Shear, in front, there are socket
set screws and hex lock nuts (3 on 0200, 0300, 0400; 4
on 0600, 0800, 1000). These push the gib in. Between
these set screws are two (2) hex head bolts. They are
threaded into the gib and pull the gib out.
To pull the gib out, loosen the set screws (push
screws) and tighten the hex head bolts (pull bolts). To
move the gib in, loosen the hex head pull bolts and
tighten the push set screws. After adjustment, tighten
the hex lock nuts on the push set screws and tighten the
hex lock bolts on the sides of the slide guides.
Figure 11. Slide Bearing Arrangements
CAUTION - If the hex gib pull bolts are tightened without first loosening the push set screws, the gib will be broken.
Be sure air is at proper pressure on air counterbalances before setting clearances.
SERIES 0200. 0300, 0400
Clearance
SERIES 0600, 0800, 1000
Clearance
Top - Between gib and slideway
None
Top - between gib and gib slide liner
.004" - .006'1
Top - Between slideway and slide guide
.004" - .006"
Top - Between slide liner and slide guide
None
Bottom - Between gib and slideway
.004" - .006"
Bottom -'Between gib and gib slide Liner
.004" - .006"
Bottom - Between slideway and slide
None
Bottom-Between slide liner and slide guide
None
guide
Figure 12. Slide Bearing Clearances
(With the Ram at the Top of the Stroke)
11