P 6
of
17
P 7
of
17
TL/TN-775 M
AchiNe
i
NiTiAL
S
eT
-U
P
G
Uide
clockwise for faster fan speed. See Figure 4 on previous page.
8. Set the fan speed to 1600 - 1650rpm. If the speed can’t be reached, try turning the RV2 in on the Charge Manifold Block
to adjust the fan speed. See Figure 5 below.
IMPORTANT
OPTIMAL SPEED FOR THE FAN IS 1600 - 1650RPM WITH THE FAN TURNED ON AND THE ENGINE AT FULL RPM.
Charge Manifold Block
RV2 Adjustment Valve
FIGURE 5, RV2 ADJUSTMENT,
CHARGE MANIFOLD BLOCK
9. Once the machine has reached the proper speed, using the RV2 Adjustment Valve and photo laser tachometer, adjust
the valve until you reach a tachometer reading that is 5 - 10rpm’s below your original reading. This will ensure that the
relief is set correctly and the ramping will function properly.
10. Install the gauge used earlier into the MLS 1 (Module Load Sense) port on the main control valve. See Figure 1 on
Page 1 for MLS 1 port location. Bottom out the stick boom and set to the correct pressure spec’d on the Recommended
Pressures at the beginning of this procedure by adjusting on the LS relief valve on the main control valve. See Figure 1
on Page 1 for LS relief valve location.
HYDRAULIC FAN MOTOR SET-UP PROCEDURE END
M
aiN
c
ONTrOL
v
aLve
S
eT
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p
- M4-15 S
MaLL
S
ecTiON
An LS Relief for PORT A and PORT B is installed on all M4-15 lower valve sections. See Figure 1 on the next page. Find the
correct pressure for each relief port valve by following the provided Recommended Pressures at the beginning of this
procedure.
NOTE
The Leveling Reliefs are non-adjustable.
1. Start the engine, install the gauge into the MLS 1 Gauge Port on the main control valve. See Figure 1 on Page 1 for
location.
1a. Run the engine at 1500rpm.
S
ecTioN
5
&
S
ecTioN
6
