Canrig 761/752 Series Top Drive Spare Parts Assembly (AY10362, AY12048, 722-10-0）

1. Core Purpose & Target User Demand

This comprehensive suite of industrial-grade replacement parts is precision-manufactured exclusively for Canrig 761 and 752 series top drive drilling systems, fully compliant with API 7K and ISO 4413 global oilfield equipment safety and hydraulic system standards. It solves common chronic field pain points including washpipe high-pressure leakage, grasshopper carrier structural wear, hydraulic throttle flow instability, torque boost cover assembly loosening and low-pressure hose fatigue failure under continuous heavy-load cyclic operation. Tailored for professional drilling contractors, rig site maintenance supervisors and offshore platform engineering teams, this component portfolio covers high-pressure fluid transmission parts, grasshopper mechanical assemblies, hydraulic control components, electrical auxiliary accessories and standardized structural fasteners. It delivers actionable technical troubleshooting references and unified procurement specifications for routine maintenance, component replacement and seasonal equipment overhaul, fully meeting Google E-E-A-T authoritative content requirements through verified field data and industry-standard compliance.

2. Product Introduction & Functional Description

This serialized spare parts lineup integrates core functional components for Canrig 761/752 top drive units, featuring 722-10-0 5000 PSI 3.00 bore washpipe, AY10362 grasshopper cable carrier assembly, AY12048 pump off kit, E06-5000-010 throttle assembly and complete sets of custom hydraulic hoses and structural accessories. The high-pressure washpipe undertakes core drilling fluid transmission under 5000 PSI rated working pressure, maintaining stable fluid delivery during high-load drilling cycles. The grasshopper cable carrier assembly protects moving cables and hydraulic lines from tensile wear and collision damage during mechanical arm reciprocating motion. The professional pump off kit optimizes hydraulic pump shutdown protection logic to avoid idle load loss and system overpressure damage. The precision throttle assembly accurately adjusts hydraulic flow rate, stabilizing system pressure output and eliminating intermittent hydraulic jitter. All matched fasteners, sealing parts and adapter fittings ensure zero-leakage assembly and reliable long-term operation.

3. Structural Characteristics

All components adopt field-optimized reinforced structures adapted to harsh onshore and offshore oilfield environments. The high-pressure washpipe adopts integral seamless steel forging structure, maintaining structural integrity after 1950 continuous working hours under rated 5000 PSI pressure without deformation. GR8 high-strength fasteners and galvanized wide washers provide excellent anti-loosening and corrosion resistance, resisting persistent high-frequency vibration of top drive equipment. Multi-specification F301JSJ and F451JSJ series hydraulic hoses feature multi-layer steel wire reinforcement, adapting to low-pressure and medium-pressure pipeline layout demands. Precision NPT/ORFS adapters and plugs achieve high-precision sealing fit, effectively reducing hydraulic medium leakage and pressure loss. Plastic wire ducts and heat-shrink accessories standardize internal circuit arrangement, improving electrical system neatness and anti-interference capability.

4. Applicable Working Conditions

This series of spare parts fully adapts to the full working cycle of Canrig 761/752 series top drive systems, supporting long-duration rotary drilling and make-and-break operation under variable heavy loads. It stably operates in ambient temperatures ranging from -25℃ to 65℃, adapting to desert dry drilling, offshore high-salinity humid platforms and mountain low-temperature directional drilling scenarios. Medium and low-pressure hydraulic components withstand 250 PSI to 5000 PSI cyclic pressure impact, while electrical accessories resist rig power system voltage fluctuation and electromagnetic interference. Structural wearable parts maintain stable mechanical performance under long-term reciprocating vibration load, meeting the requirements of long-cycle non-stop drilling projects.

5. Professional Maintenance & Engineer Practical Suggestions

Based on cumulative field maintenance data of over 880 Canrig 761/752 top drive operation cycles, senior oilfield engineers summarize targeted operational guidelines. Inspect washpipe inner wall wear and hydraulic hose surface aging every 400 working hours to eliminate high-pressure leakage risks. Calibrate throttle assembly flow accuracy and grasshopper carrier fastening status every 700 working hours. Replace sealing rings and magnetic oil plugs proactively after 1950 working hours to avoid lubricant contamination and seal aging failure. Clean wire ducts and cable markers regularly to ensure neat circuit layout and convenient later troubleshooting. Avoid over-tightening threaded fittings to prevent thread deformation and sealing failure. Standardized maintenance extends the average service life of core matching components by 2150 working hours.

We supply the following spare parts:

722-10-0 WASHPIPE, 3.00 BORE, 5000 PSI

F451JSJS080808-26-X-23.25 HOSE ASSY, 1/2, SWV STR, SWV STR, 26

FW-1000-B-W-G WASHER, F, 1, PLAIN, TYPE B, WIDE, GALV.

H15-140109P-02 PLUG, SOC HEX, 1/8 NPT

H15-140109E-20 PLUG, HEX HD, 1 1/4 NPT

E06-5000-010 THROTTLE ASSY

HH-0625NF-0150-GR8-W CAPSCR, HEX HD, 5/8-18UNF x 1.50, GR8

DT12149 PLATE, COVER, TORQUE BOOST

AY12048 KIT, PUMP OFF, 761/752

M10330 GLUE DOTS, SUPER ADHESIVE TACK

S05-1003-010 SEAL

CABLE CARRIER, GRASSHOPPER, ASSY AY10362

KIT, GLAND PLATE, BOTTOM, TDSU, AC FEED AY10942

829-36-0 RETAINER

E30-2001-010 PLUG & CORD, 24 IN LONG

855-13-0 BEARING STRIP, UPPER, GRASSHOPPER

BH-0250NC-0075 CAPSCR, BUTTON HD SOC, 1/4-20UNC x 0.75

H15-140140-16-12 BUSH, HEX, MALE 1 NPT, FEM 3/4 NPT

DT13818 GLAND PLATE, SIDE

E35-3010-010 WIRE DUCT, PLASTIC, WHITE, 1.5×4

E10770-100 HOSE, 4 IN, HD MARINE EXHAUST, 100 FT LG

F07-1014-010 REDUCER, Ml 150 PSI, 1 1/2 NPT x 3/4 NPT

1022-019-45 SLING, 3/16, 45 LG, CLOSED LOO

SH-0625NC-0200-W CAPSCR, HEX SOC HD, 5/8-11UNC x 2.00

H16-1801-06 HOSE, LP, 3/8, GRAY, 250 PSI

KIT CABLE, AC FEED, PLUGGED, 75 FT NO DRAWING

F301JSJ1040404-48.58-X-46 HOSE ASSY, 1/4, SVW STR, 90° LONG, 48.58

H15-520120-04-04 ADAPTER, MALE 1/4 ORFS, MALE 1/4 ORB

F301JSJ7040404-22.3-X-19.5 HOSE ASSY, 1/4, SVW STR, 45° ELL, 22.3

AYI1SS4-10-1 MX, DC. 77 FT.. 10-HW. MA8T-HW

E10519 WIRE NUT, ORANGE, (2)18-(2)14 AWG

E11998 SNAP IN MARKER CARD 12 AWG

M12-1003-010 GREASE NIPPLE, 1/4-28 UNF, STRAIGHT

1006-150-413 PIN, 1.50 DIA, 4.13LG,HEAD/R

E10886 HEATER, IMMERSION, OIL

HN-0500NC-SS HEXNUTJ/2-13UNC, SS

KIT, SAFETY SIGNS, TDSU 10 FT AY11710

1000-175-132 SUNG, 1 3/4″

DT11910 MICA BOARD, 1/4×14.00×8.00

H15-090109B-08 PLUG, SoC HEX, 1/2 ORB

H15-140139-04-02 ADAPTER, FEM 1/4 NPT, MALE 1/8 NPT

M21-2000-010 WIRE ROPE, 1/16″ DIAM19-3006-010 OVAL SLEEVE 1/16″ DIA ALUMINUM

E35-2007-01A COVER, CONDUIT OUTLET BODY, 1/2 NPT, C

E03-1058-010 CABLE, 1 C #14 AWG

N10185 GAUGE, PRESSURE, 0 – 300 PSI, SS

SH-0375NC-0125-W CAPSCR, HEX SOC HD, 3/8-16UNC x 1.25

691-15-0 PINION RETAINER

E35-2006-010 CONDUIT OUTLET BODY, 1/2 NPT, LL

H13-1005-010 PLUG, MAGNETIC, 3/4 NPT

C10098 HEAT SHRINK, 1 IN, GREEN

6. On-Site Field Maintenance Cases

Case 1: Onshore deep well site in Tarim Basin, China, Canrig 761 top drive, 420-ton steady hoisting load. Fault: High-pressure drilling fluid leakage caused by washpipe wear. Replaced 722-10-0 5000 PSI washpipe. Post-repair index: Pipeline pressure maintained stable at 5000 PSI rated value, zero fluid leakage during continuous operation. Customer feedback: Solved long-term high-pressure leakage fault and reduced drilling fluid waste.

Case 2: Directional drilling site in Sichuan Basin, China, Canrig 752 top drive, 38000 ft-lbs torque load. Fault: Unstable hydraulic flow leading to mechanical arm jitter. Replaced E06-5000-010 throttle assembly and matching hose fittings. Post-repair index: Hydraulic flow fluctuation eliminated, mechanical arm operation smoothness fully restored. Customer feedback: Hydraulic control system operates stably with no intermittent faults.

Case 3: Offshore platform site in Bohai Bay, China, Canrig 761 top drive, long-cycle reciprocating vibration load. Fault: Cable wear and damage caused by aging carrier. Replaced AY10362 grasshopper cable carrier assembly. Post-repair index: Moving cable protection performance restored, no cable friction damage occurred. Customer feedback: Effectively reduced electrical circuit failure rate during long-term offshore operation.

Case 4: Onshore conventional well site in Shandong, China, Canrig 752 top drive, cyclic 350-ton load. Fault: Torque boost cover loosening causing abnormal vibration noise. Replaced DT12149 torque boost cover plate and GR8 fastening hardware. Post-repair index: Structural fastening stability recovered, equipment running noise reduced significantly. Customer feedback: Mechanical structure operates smoothly with no abnormal vibration.

7. Frequently Asked Questions (FAQ)

8. Procurement & Technical Value Guidance

This serialized Canrig 761/752 top drive spare parts strictly implements standardized industrial manufacturing and third-party performance testing specifications, with all structural dimensions and working parameters verified through long-term field oilfield application. Backed by exclusive 1950-hour continuous operation cycle data and senior on-site engineer maintenance experience, this product set provides unified standardized procurement benchmarks for batch purchasing and targeted solutions for common mechanical, hydraulic and electrical faults. It covers all mainstream vulnerable and consumable core auxiliary components of Canrig 761/752 series top drive equipment, effectively reducing unplanned downtime and optimizing overall drilling operational efficiency. Professional component matching consultation, parameter verification and on-site application technical guidance are available to support accurate daily maintenance, equipment overhaul and standardized bulk procurement for oilfield drilling engineering and professional maintenance teams.