Manitowoc National Crane NBT40 Series, Service Manual

Page: 169 / 220

8
National Crane
Published 8-01-2017 Control # 287-11
8-7
NBT40 SERVICE MANUAL LUBRICATION
Internal Cable Sheave Lubrication
Lubrication of the extend and retract sheaves is as follows:
1. Locate the fittings as listed in the table above.
2. Lubricate the pins until a small amount of grease
extrudes from the pin.
Side and Bottom Boom Wear Pad
Lubrication
Recommended lubricant is EP-3MG grease.
1. Fully extend and set the outriggers.
2. Lower the boom to horizontal.
3. Fully extend the boom and apply grease to all wear pad
contact surfaces at the side and bottom of all boom
sections with a brush or putty knife.
4. Raise the boom to 75° and retract the boom.
5. Extend and retract the boom several times until the
grease is evenly spread.
6. Repeat as necessary.
Top Boom Wear Pad Lubrication
Recommended lubricant is EP-3MG grease.
1. Fully extend and set the outriggers.
2. Lower the boom to horizontal.
3. Remove access plate at top rear of the base section.
4. Extend the boom until wear pads are centered in access
opening and apply grease to all wear pads and contact
surfaces at the top of all boom sections with a grease
gun or a brush.
5. Raise the boom to 75°.
6. Extend and retract the boom several times until the
grease is evenly spread.
7. Repeat as necessary.
Outrigger Beam Lubrication
Recommended lubricant is EP-3MG grease.
1. Fully extend and set the outriggers. Refer to
(Figure 8-2.)
2. Apply grease to all wear pads and contact surfaces at
the side and bottom of all beam sections and lower
surface of the stabilizer/jacks with a suitable brush or
putty knife.
3. Extend and retract the outriggers several times until the
grease is evenly spread.
4. Repeat as necessary.
Hoist Brake Oil
DANGER
Do not, under any circumstances, work at an elevated
height without using proper fall protection as required by
local, state or federal regulations.
DANGER
Do not, under any circumstances, work at an elevated
height without using proper fall protection as required by
local, state or federal regulations.
DANGER
Do not, under any circumstances, work at an elevated
height without using proper fall protection as required by
local, state or federal regulations.
!
!
!
DANGER
Do not, under any circumstances, work at an elevated
height without using proper fall protection as required by
local, state or federal regulations.
DANGER
Do not, under any circumstances, work at an elevated
height without using proper fall protection as required by
local, state or federal regulations.
!
FIGURE 8-2
9001
!
Reference Only