Idex Hale Sam, Technical Manual

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106
D. Tag and disconnect pneumatic tubing (1/4-in tubing).
E. Tag and disconnect priming/drain tubing (3/4-in tubing).
F. Using 15/16-in wrench, remove two [2] 5/8–11 x 1-1/2-in long screws (each with
one lock and one flat washer).
G. Remove SAM drain valve block assembly.
H. Relocate SAM drain valve block assembly to a stable work area or bench.
Perform applicable bench procedure (or procedures) listed below, then return to this procedure
to install the repaired priming feature assembly.
•
4-Way Air Valve R&R See paragraph 4.11.2, page 123.
•
PF Air Cylinder R&R See paragraph 4.11.3, page 126.
•
PF Valve Assembly R&R See paragraph 4.11.4, page 126.
• PF Valve Assembly Repair Kit Installation (Contact Hale Customer Service 800-533-3569.)
Installation
A.
Align SAM drain valve block assembly to bottom of gearbox.
B. Hand start two [2] 5/8–11 x 1-1/2-in long screws (each with one lock and one
flat washer).
C. Using 15/16-in wrench, tighten screws.
D. Torque screws to 110 ft-lbs.
E. Connect electrical connectors according to tags.
F. Connect pneumatic tubing (1/4-in tubing) according to tags.
G. Restore truck air pressure to assembly and check for leaks.
H. Connect water column tubing (3/4-in tubing) and drains (3/8-in tubing) according
to tags. Ensure elbow on bottom of PF vale assembly remains open to atmos-
phere.
I. Install cable ties cut to R&R module as noted.
4.9.4 Air Bleed Valves (MIV And Pump Body)
The SAM system utilizes an ABV to remove air from the pump body and simultaneously from the
selected MIV when SAM is in Auto Mode and a pressurized water source (Hydrant) is selected.
The pump body ABV mounts on the bottom rear of the PF assembly and an additional ABV is
mounted on a bracket located on top of LH and/or RH for each MIV ordered with the system.
When a bottom MIV is ordered the associated ABV is collocated with the RH MIVs ABV and when
a T-port MIV is ordered the associated ABV is collocated with the LH MIVs ABV.
A check valve attaches to the SAM drain valve block side (marked with a P) of each ABV to pre-
vent the reverse flow of air into the system during priming or in the event an ABV sticks open. It is
important to ensure the check valve is functional if the SAM system encounters problems prim-
ing and to ensure correct position/orientation after a solenoid R&R.
The ABVs connect to the Control MIV-Auto Electric Harness. The solenoids connect according to
Table 59.