The tie bolts on the pump are tightened before leaving the factory. However, relaxation may occur due to handling, material creep, or other unforeseen events. Trebor recommends that all eight tie bolts be re-tightened upon pump install. The following procedure should be used.
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ATTENTION: The pump should be operated with clean, dry air or nitrogen. Particulate, water and oils in the air supply can damage the pump. NOTE: 1. It is recommended that a filter be placed on the discharge side of the pump. PAGE 4 MEGA 960D PUMP OPERATION / MAINTENANCE MANUAL...
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DI water test. Recommended Maximum Operating Levels: Maximum supply CDA/N2 pressure: 80 psig (5.5 bar) Maximum fluid temperature: 212°F (100°C) MEGA 960D PUMP OPERATION / MAINTENANCE MANUAL PAGE 5...
Connect fiber optic cable to sensor (NOTE: Minimize bends in fiber optic cable to 2” radius minimum to help ensure optimum signal strength.). Fiber optic cable can be cut to desired length using the cable cutter provided. Figure 2-3 MEGA 960D PUMP OPERATION / MAINTENANCE MANUAL PAGE 7...
Pressure Fluid Used Pressure Minute Cycle (PSIG) (PSIG) (SCFM) 11.6 11.1 14.4 12.2 16.6 12.6 Table 1: Consumption / Efficiency NOTE: Specification to be used to size regulators and control valves. PAGE 8 MEGA 960D PUMP OPERATION / MAINTENANCE MANUAL...
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70 psi 80 psi Flow Capacity - GPM MTD0371 Figure 3-1: Pressure & Capacity Chart NOTE: Test information is based on specific conditions and limited sampling. Use for general reference only. MEGA 960D PUMP OPERATION / MAINTENANCE MANUAL PAGE 9...
If the pump has exceeded its useful life and cannot be rebuilt, the customer may elect to purchase a new Trebor pump. If the customer chooses not to rebuild or replace the pump, a $150.00 evaluation charge will be required.
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Shaft Bushing Shaft (High Suction Applications) Shaft Diaphragms and Main Seal Quick Exhaust Seal Check Balls and O-Rings Check Balls and O-Rings (High Suction Applications) Exhaust Muffler Media Distribution Pilots I=Inspect, R=Replace MEGA 960D PUMP OPERATION / MAINTENANCE MANUAL PAGE 11...
Do not remove the shuttle sleeve assembly from the shuttle bore. • Remove the muffler spool and muffler pads from each head. • Remove quick exhaust ports from heads. • Remove quick exhaust seals. • Remove remote exhaust plugs (if necessary). PAGE 16 MEGA 960D PUMP OPERATION / MAINTENANCE MANUAL...
The shoulder is located in the center of the pilot valve body. • Thread the pilot valve assembly into the pilot bore of the head as shown in Figure 4-2. Tighten to 25 in-lbs. Do not over tighten. MEGA 960D PUMP OPERATION / MAINTENANCE MANUAL PAGE 17...
Tilt the other side of the ring down, expanding it slightly, so that the other detent leg snaps into the detent ring groove. See Fig. 3. The completed assembly should look like Fig. 4. PAGE 18 MEGA 960D PUMP OPERATION / MAINTENANCE MANUAL...
Insert shuttle spool assembly into adapter detent and Shuttle Sleeve. (Do not lubricate.) Figure 4-4 • Install the seal onto seal groove shoulder of the shuttle cap. • Thread shuttle cap onto detent adapter. Tighten to 40 in-lbs. MEGA 960D PUMP OPERATION / MAINTENANCE MANUAL PAGE 19...
(See Figure 4-6.) • Insert suction sleeve, check ball, O-ring and wear ring carefully into check bore. PAGE 20 MEGA 960D PUMP OPERATION / MAINTENANCE MANUAL...
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• Repeat insertion process with the discharge sleeve, check ball, O-ring and wear ring. • Place seal and tighten check bore caps 60 in-lbs. • Repeat process for second check bore. MEGA 960D PUMP OPERATION / MAINTENANCE MANUAL PAGE 21...
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Install push plate locking screw. Tighten to 12 oz-in. Figure 4-8 • Insert shaft through shaft bore as shown in figure 4-8. • Thread on remaining push plate until push plate bottoms out on shaft shoulder. PAGE 22 MEGA 960D PUMP OPERATION / MAINTENANCE MANUAL...
Increase the air pressure until the pump starts to cycle • Record the start pressure, Target = <20psig • Pump must prime once even cycling is achieved • Increase pressure to 60 psi MEGA 960D PUMP OPERATION / MAINTENANCE MANUAL PAGE 23...
Turn off Air Supply and allow the pump to purge for 5 minutes. 4.9.c Dry Suction • 20 psig Supply Pressure Target • Record Suction Value • Target = 14 in-Hg. PAGE 24 MEGA 960D PUMP OPERATION / MAINTENANCE MANUAL...
Check bore cap. Tighten, or remove and replace seal. Ruptured diaphragm(s) can result in Replace diaphragms, and any parts that may have been fluid leaks through air exhaust port. damaged by fluid exposure. MEGA 960D PUMP OPERATION / MAINTENANCE MANUAL PAGE 25...
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Check ball(s) not seating. Check O-rings for damage; replace if necessary. Make sure check balls move freely in sleeves. Pilot transfer leak. Tighten tie bolts to 60 in-lbs. Replace transfer seals. PAGE 26 MEGA 960D PUMP OPERATION / MAINTENANCE MANUAL...
WARRANTY AND EXCLUSIONS See the Trebor Standard Limited Warranty at https://www.treborintl.com/sites/default/files/TreborStandardLimitedWarranty.pdf MEGA 960D PUMP OPERATION / MAINTENANCE MANUAL PAGE 27...
(98002740), and discharge sleeve (L0096-01) into check bore of pump body. 4) Press discharge sleeve (L0196-01) into check bore using sleeve insertion tool (T000B0007). 5) Insert check sleeve alignment tool (T0229) into discharge sleeve (L0196-01). MEGA 960D PUMP OPERATION / MAINTENANCE MANUAL PAGE 29...
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(T0148) and drive extension (T0182) as shown. 8) Torque check sleeve plug (L0227) to 35 in-lbs. 9) Install check port seal (L0163-01) and check cap (L0154-01) as shown. 10) Torque check cap (L0154-01) to 60 in-lbs. PAGE 30 MEGA 960D PUMP OPERATION / MAINTENANCE MANUAL...
MAGNETIC SHUTTLE ADDENDUM Conversion Kits (Maxim 50D, Evolve 55D, Mega 960D & Mega 120D) KUL0131 – Converts Standard Pumps to Magnetic Shuttle KUDP-C-2 – Converts Pumps with Cycle Probe to Magnetic Shuttle Rebuild Kit Item Number Changes KR50D-00-B KR50D-00-C KRE55D-00-A...
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