Graco 312054J User Manual Page 1

Instructions – PartsGrease Jockey® Chassis Lubrication 312054JENFor on-board, automatic lubrication of trucks and heavy-use vehicles. For professional

Installation 10 312054JFifth Wheel (FIG. 10)This assembly contains the meters, hardware, and tubing for:• 4 face plates • 2 pivot pin lube points. NOT

Installation312054J 11TubingPreparation1. Measure approximate lengths of tube bundles, leav-ing extra length for trimming at the lube points.2. Cut th

Installation 12 312054JReservoir Bag Installation (FIG. 11)1. Lightly coat inside of reservoir bag with grease.2. Insert stiffener inside bag, approxi

Installation312054J 13Adjusting Grease Output VolumeIf a meter is not producing the correct amount of lubri-cant for a specific location on a vehicle

Installation 14 312054Jo-rings that may be attached (FIG. 15).7. Add or remove output spacer washers (A) from the meter valve assembly. NOTE:• Add spa

Installation312054J 15Bottom Cover O-Ring This section applies to Electrically Operated Grease Jockey Systems only. For Air Operated Grease Jockey Sys

Troubleshooting 16 312054JTroubleshootingProblem Cause SolutionToo much grease at all lube points Timer cycle too frequent Adjust the timer one click

Troubleshooting312054J 17(cont.) Inoperative timer With the ignition switch on, check the input voltage of both the memory (orange) and the (red) swit

Troubleshooting 18 312054JAir-operated pump not working Solenoid valve not working See Troubleshooting, No sign of fresh grease at all points “Inopera

Rebuilding Grease Jockey Pump312054J 19Rebuilding Grease Jockey PumpUse Pump Rebuild Kit 563762. Numbers in parentheses refer to FIG. 17.Piston Chambe

Warnings 2 312054JWarningsThe following warnings are for the setup, use, grounding, maintenance, and repair of this equipment. The exclama-tion point

Rebuilding Grease Jockey Pump 20 312054Jpiston cavity for scoring or scrapes. Clean piston. Make sure there are no fibers from cloth left behind.11. C

Parts312054J 21PartsInstallation kit:Description Part Number30 pt single axle tractor, air pump, and flexible reservoir56380134 pt tandem axle tractor

Parts 22 312054J12 PORT MANIFOLDWITH STUD563758REPLACEMENT STUD563946MANIFOLD METERPORT PLUG15M038TUBE STRIPPER558058DISTRIBUTION LINES3/16” OD TUBING

Parts312054J 23ELBOW STREET1/8” NPT TO 1/8” NPT90° - 15K78345° - 5573953/8” NPT TO 3/8” NPT90° - 560534ADAPTER, STRAIGHT1/8” NPT TO 1/4” - 28 SAEMALE5

Technical Data 24 312054JTechnical DataTimer (Air Operated Pump)Input Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 -24 VD

Notes312054J 25Notes

All written and visual data contained in this document reflects the latest product information available at the time of publication. Graco reserves th

Warnings312054J 3SKIN INJECTION HAZARDHigh-pressure fluid from dispense valve, hose leaks, or ruptured components will pierce skin. This may look like

Installation 4 312054JInstallationFill all lube points with grease before removing zerk fit-tings to change to tube connector fittings. This ensures e

Installation312054J 5Timer Installation 1. Install timer horizontally in a protected, but easily accessible location, inside the truck cab using the 4

Installation 6 312054JElectric Pump InstallationNOTE: Electric Grease Jockey pumps are available with or without a timer. Choose the appropriate insta

Installation312054J 7Modules• Modules (Fig. 6) are mounted with a ported stud (A) through a 5/8 in. (16 mm) hole. • Mount all modules on the frame rai

Installation 8 312054JRight Front Module (FIG. 8)The Right Front Module assembly contains meters, hardware and tubing for:• 2 king pins, • 1 spring pi

Installation312054J 9Rear Axle(s) (FIG. 9)This assembly contains the meters, hardware, and tubing for:• (2 or 4) S-cams • (2 or 4) slack adjuster lube